Expose whether a UI is single-threaded to avoid spawning threads
in actions.
Bug: 31961946
Test: manual
Change-Id: I37c8daa6a00784e833bad53b8e83ab4417955df7
Replace some custom rules with BUILD_PREBUILT.
Move tools from ALL_PREBUILTS to BUILD_PREBUILT. All of them are already
in PRODUCT_PACKAGES in build/target/product/base.mk.
Remove uses of ACP and replace with core build system macros or 'cp'
Change-Id: I529e7c6c50fc64ad36b75bb47142f6bde909d141
Add a new preload tool based on hprof dumps. This means that only
a userdebug build (to adjust the pre-existing preloaded-classes
file) is required now, not a recompiled runtime.
Change-Id: Ib0c00de3b248e49fa8271cbace67c5d4a50170a1