Merge "Framework support to improve bg check CTS tests." into oc-dev

api/current.txt

api/system-current.txt

api/test-current.txt

core/java/android/app/IServiceConnection.aidl

core/java/android/app/LoadedApk.java

core/java/android/content/ServiceConnection.java

services/core/java/com/android/server/am/ActiveServices.java

...re/java/com/android/server/am/ActivityManagerService.java

services/core/java/com/android/server/am/ProcessList.java

services/core/java/com/android/server/am/ProcessRecord.java