API CHANGE: @hide AbsoluteFileBackupHelper

We don't want to publish this, but for risk mitigation we are hiding it
rather than rewriting/expanding the FileBackupHelper to accomodate the
absolute-path use cases that the system uses internally.

Change-Id: I513c97ec54de8dd7d28b10868d447d94b82d4ec3

api/current.xml

@@ -26785,59 +26785,6 @@
 </package>
 <package name="android.app.backup"
 >
-<class name="AbsoluteFileBackupHelper"
- extends="android.app.backup.FileBackupHelperBase"
- abstract="false"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-<implements name="android.app.backup.BackupHelper">
-</implements>
-<constructor name="AbsoluteFileBackupHelper"
- type="android.app.backup.AbsoluteFileBackupHelper"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-<parameter name="context" type="android.content.Context">
-</parameter>
-<parameter name="files" type="java.lang.String...">
-</parameter>
-</constructor>
-<method name="performBackup"
- return="void"
- abstract="false"
- native="false"
- synchronized="false"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-<parameter name="oldState" type="android.os.ParcelFileDescriptor">
-</parameter>
-<parameter name="data" type="android.app.backup.BackupDataOutput">
-</parameter>
-<parameter name="newState" type="android.os.ParcelFileDescriptor">
-</parameter>
-</method>
-<method name="restoreEntity"
- return="void"
- abstract="false"
- native="false"
- synchronized="false"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-<parameter name="data" type="android.app.backup.BackupDataInputStream">
-</parameter>
-</method>
-</class>
 <class name="BackupAgent"
  extends="android.content.ContextWrapper"
  abstract="true"

core/java/android/app/backup/AbsoluteFileBackupHelper.java

@@ -26,7 +26,7 @@ import java.io.File;
  * Like FileBackupHelper, but takes absolute paths for the files instead of
  * subpaths of getFilesDir()
  *
- * STOPSHIP: document!
+ * @hide
  */
 public class AbsoluteFileBackupHelper extends FileBackupHelperBase implements BackupHelper {
     private static final String TAG = "AbsoluteFileBackupHelper";