DO NOT MERGE Enhance AVRCP Absolute Volume control implementation am: 1a1169dcb2  -s ours am: 68d4713d8a
am: 65284fb3d9  -s ours

* commit '65284fb3d9310f17ba6dff5c0cb07ead318c90d2':
  DO NOT MERGE Enhance AVRCP Absolute Volume control implementation