add supported for stagefright-plugins

Change-Id: I9abed36fdba20bc81d0d63ee9908ffd8925d3e26

Conflicts:
	include/media/openmax/OMX_Video.h
add OMX FFMPEG extention

Change-Id: Ie13cca42e4a9b6c0d910f69e5058b98145229ddb
cleanup

Change-Id: I685d21cc0730c0ce2ec7877b07c782edc0fcc151

Conflicts:
	include/media/openmax/OMX_Audio.h
add HEVC decoder and cleanup

Change-Id: I16342228014320161a22302a3c14df7725556cd2

Conflicts:
	include/media/openmax/OMX_Audio.h
add the "USES_NAM" missing flag

Change-Id: I94000017c22b154212f0caec5b2bd186bec5aa24