Merge "[NGA v2] Reliable Visible Activity Lookup" into sc-v2-dev am: 80fcbc8f

core/api/current.txt

core/api/test-current.txt

core/java/android/app/ActivityManagerInternal.java

.../java/android/service/voice/IVoiceInteractionSession.aidl

core/java/android/service/voice/VisibleActivityInfo.aidl

core/java/android/service/voice/VisibleActivityInfo.java

...ndroid/service/voice/VoiceInteractionManagerInternal.java

core/java/android/service/voice/VoiceInteractionSession.java

...android/internal/app/IVoiceInteractionManagerService.aidl

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

...rver/voiceinteraction/VoiceInteractionManagerService.java

.../voiceinteraction/VoiceInteractionManagerServiceImpl.java

...r/voiceinteraction/VoiceInteractionSessionConnection.java