libstagefright: Initial commit for video

Patchset 1: Add QCOM_HARDWARE ifdefs.
Patchset 2: Rebase and move omx include to vendor.
Patchset 3: Fix whitespace

Conflicts:

	include/media/stagefright/OMXCodec.h
	media/libstagefright/OMXCodec.cpp

Change-Id: I6586f3d29524ba031d8c814abdfbb47bb7e5bfda
Signed-off-by: Evan McClain <aeroevan@gmail.com>