Merge "release camera without holding CameraSource mutex" into lmp-dev
automerge: 168799c
* commit '168799c32ce3f9196ae7928986a7ba3770c74b14':
release camera without holding CameraSource mutex
move audio sink open/close to NuPlayerRenderer
Fix freed memory references
audio policy: move intializations to onFirstRef()
Fix VideoFrame class layout for 64/32 bit
NuPlayer: wait for renderer flush before decoder shutdown
Fix uncertainty of one normal mix buffer in AudioTrack::getTimestamp
send available codec buffer count with codec notification
mediarecorder: set level if setting default profile
stagefright: move math templates into AUtils.h
NuPlayer: Fix flush mode decoder error handling
Revert "Fix uncertainty of one normal mix buffer in AudioTrack::getTimestamp"
GenericSource: support disconnect before NuCachedSource2 is created
mediaplayer: make frame-accurate avsync configurable