4514bdf1b7
Introduce a set of optional Java optimization and shrinking settings for
system server, based on the Soong variable added in aosp/1896612.
Opting in to optimizations can be achieved with either:
* Env:
export SYSTEM_OPTIMIZE_JAVA=true
* Make:
$(call add_soong_config_var_value,ANDROID,SYSTEM_OPTIMIZE_JAVA,true)
Note that the initial Proguard configuration is extremely conservative.
Follow-up work will refine the rules to both allow additional shrinking
while avoiding developer friction and overhead when adding services and
dynamically loaded jars.
As these optimiations can change the resulting stack traces, a parallel
effort is working to simplify retracing of stack traces for more
accurate debugging and diagnostics. Additional stabiliation and testing
will occur before any effort to enable these optimizations by default
for specific targets. Also note that there are no plans to enable
obfuscation for any of these targets.
Preliminary results:
* Conservative keep rules (this CL w/ opt-in flag):
* services.jar (19MB -> 15MB)
* services.odex (52MB -> 54MB) (mostly from increased inlining)
* Refined keep rules (follow-up CL):
* services.jar (19MB -> 12MB)
* services.odex (52MB -> 45MB)
Bug: 203088572
Test: SYSTEM_OPTIMIZE_JAVA=true m (validate services.jar/odex change)
Change-Id: I4130233310323611f63cd9bfcc0646080cf95875
243 lines
7.3 KiB
Plaintext
243 lines
7.3 KiB
Plaintext
package {
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// See: http://go/android-license-faq
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// A large-scale-change added 'default_applicable_licenses' to import
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// all of the 'license_kinds' from "frameworks_base_license"
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// to get the below license kinds:
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// SPDX-license-identifier-Apache-2.0
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default_applicable_licenses: ["frameworks_base_license"],
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}
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// Defaults for platform code that runs inside system_server
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java_defaults {
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name: "platform_service_defaults",
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plugins: ["error_prone_android_framework"],
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errorprone: {
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javacflags: [
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// "-Xep:AndroidFrameworkBinderIdentity:ERROR",
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"-Xep:AndroidFrameworkCompatChange:ERROR",
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// "-Xep:AndroidFrameworkUid:ERROR",
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// NOTE: only enable to generate local patchfiles
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// "-XepPatchChecks:refaster:frameworks/base/errorprone/refaster/EfficientXml.java.refaster",
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// "-XepPatchLocation:/tmp/refaster/",
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],
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},
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}
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// Opt-in config for optimizing and shrinking the services target using R8.
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// Enabled via `export SYSTEM_OPTIMIZE_JAVA=true`, or explicitly in Make via the
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// `SOONG_CONFIG_ANDROID_SYSTEM_OPTIMIZE_JAVA` variable.
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// TODO(b/196084106): Enable optimizations by default after stabilizing and
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// building out retrace infrastructure.
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soong_config_module_type {
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name: "system_optimized_java_defaults",
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module_type: "java_defaults",
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config_namespace: "ANDROID",
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bool_variables: ["SYSTEM_OPTIMIZE_JAVA"],
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properties: ["optimize"],
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}
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system_optimized_java_defaults {
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name: "services_java_defaults",
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soong_config_variables: {
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SYSTEM_OPTIMIZE_JAVA: {
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optimize: {
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enabled: true,
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optimize: true,
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shrink: true,
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proguard_flags_files: ["proguard.flags"],
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},
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// Note: Optimizations are disabled by default if unspecified in
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// the java_library rule.
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conditions_default: {},
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},
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},
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}
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filegroup {
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name: "services-main-sources",
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srcs: [
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"java/**/*.java",
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"java/**/package.html",
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],
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path: "java",
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visibility: ["//visibility:private"],
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}
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filegroup {
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name: "services-non-updatable-sources",
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srcs: [
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":services.core-sources",
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":services.core-sources-am-wm",
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"core/java/com/android/server/am/package.html",
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":services.accessibility-sources",
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":services.appprediction-sources",
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":services.appwidget-sources",
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":services.autofill-sources",
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":services.backup-sources",
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":backuplib-sources",
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":services.companion-sources",
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":services.contentcapture-sources",
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":services.contentsuggestions-sources",
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":services.coverage-sources",
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":services.devicepolicy-sources",
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":services.midi-sources",
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":services.musicsearch-sources",
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":services.net-sources",
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":services.print-sources",
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":services.profcollect-sources",
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":services.restrictions-sources",
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":services.searchui-sources",
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":services.smartspace-sources",
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":services.speech-sources",
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":services.startop.iorap-sources",
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":services.systemcaptions-sources",
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":services.translation-sources",
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":services.texttospeech-sources",
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":services.usage-sources",
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":services.usb-sources",
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":services.uwb-sources",
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":services.voiceinteraction-sources",
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":services.wifi-sources",
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],
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visibility: ["//visibility:private"],
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}
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java_library {
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name: "Slogf",
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srcs: ["core/java/com/android/server/utils/Slogf.java"],
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}
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// merge all required services into one jar
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// ============================================================
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java_library {
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name: "services",
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defaults: ["services_java_defaults"],
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installable: true,
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dex_preopt: {
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app_image: true,
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profile: "art-profile",
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},
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srcs: [":services-main-sources"],
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// The convention is to name each service module 'services.$(module_name)'
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static_libs: [
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"services.core",
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"services.accessibility",
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"services.appprediction",
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"services.appwidget",
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"services.autofill",
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"services.backup",
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"services.companion",
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"services.contentcapture",
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"services.contentsuggestions",
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"services.coverage",
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"services.devicepolicy",
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"services.midi",
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"services.musicsearch",
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"services.net",
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"services.people",
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"services.print",
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"services.profcollect",
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"services.restrictions",
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"services.searchui",
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"services.smartspace",
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"services.speech",
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"services.startop",
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"services.systemcaptions",
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"services.translation",
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"services.texttospeech",
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"services.usage",
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"services.usb",
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"services.uwb",
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"services.voiceinteraction",
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"services.wifi",
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"service-blobstore",
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"service-jobscheduler",
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"android.hidl.base-V1.0-java",
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],
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libs: [
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"android.hidl.manager-V1.0-java",
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"framework-tethering.stubs.module_lib",
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"service-art.stubs.system_server",
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],
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// Uncomment to enable output of certain warnings (deprecated, unchecked)
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//javacflags: ["-Xlint"],
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}
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// native library
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// =============================================================
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cc_library_shared {
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name: "libandroid_servers",
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defaults: ["libservices.core-libs"],
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whole_static_libs: ["libservices.core"],
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}
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platform_compat_config {
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name: "services-platform-compat-config",
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src: ":services",
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}
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filegroup {
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name: "art-profile",
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srcs: ["art-profile"],
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}
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// API stub
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// =============================================================
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stubs_defaults {
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name: "services-stubs-default",
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installable: false,
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args: " --show-annotation android.annotation.SystemApi\\(client=android.annotation.SystemApi.Client.SYSTEM_SERVER\\)" +
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" --hide-annotation android.annotation.Hide" +
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" --hide InternalClasses" + // com.android.* classes are okay in this interface
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// TODO: remove the --hide options below
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" --hide-package com.google.android.startop.iorap" +
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" --hide DeprecationMismatch" +
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" --hide HiddenTypedefConstant",
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visibility: ["//frameworks/base:__subpackages__"],
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filter_packages: ["com.android."],
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}
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droidstubs {
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name: "services-non-updatable-stubs",
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srcs: [":services-non-updatable-sources"],
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defaults: ["services-stubs-default"],
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check_api: {
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current: {
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api_file: "api/current.txt",
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removed_api_file: "api/removed.txt",
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},
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api_lint: {
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enabled: true,
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new_since: ":android-non-updatable.api.system-server.latest",
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baseline_file: "api/lint-baseline.txt",
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},
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},
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dists: [
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{
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targets: [
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"sdk",
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"win_sdk",
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],
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dir: "apistubs/android/system-server/api",
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dest: "android-non-updatable.txt",
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tag: ".api.txt",
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},
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{
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targets: [
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"sdk",
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"win_sdk",
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],
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dir: "apistubs/android/system-server/api",
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dest: "android-non-updatable-removed.txt",
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tag: ".removed-api.txt",
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},
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],
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}
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