Merge "AVRCP: Check mMediaSessionManager is not null before handling callback"...
Merge "AVRCP: Check mMediaSessionManager is not null before handling callback" into qt-qpr1-dev am: 45197144
am: 51a647c5
Change-Id: Ib7eb6a0b78c6de4a99a6c124d4d7dd017540d700