Commits
RoboErik authored and Erik Pasternak committed a66c40bf6e0
Update MediaSession APIs for council feedback -Changes MediaSessionManager.SessionsListener to OnActiveSessionsChangedListener and makes it an interface. -Renames MediaController.VolumeInfo to MediaController.AudioInfo -Renames MediaSession.Track to MediaSession.Item bug:17059552 Change-Id: I3a0b4371700ad6657972c312a5ab89ddfac6df5b