Support for Marvell's Graphics HAL

Conflicts:
	include/camera/CameraParameters.h
	include/media/stagefright/MetaData.h
	include/media/stagefright/OMXCodec.h
	media/libstagefright/ACodec.cpp
	media/libstagefright/AudioPlayer.cpp
	media/libstagefright/OMXCodec.cpp

Change-Id: I512b08cade368de4fad5c2cbf78d33a167eea054