Merge "MediaMuxer:Include info to specify last sample duration" into rvc-dev...
Merge "MediaMuxer:Include info to specify last sample duration" into rvc-dev am: 11b93f6f am: bed76741 am: abfd87aa am: 8e7dbe55
Change-Id: I4ed5864607c5852748e2f0a0c2560e0b8abb362b