mm-video-v4l2:Implement android vendor extensions
am: b76bf31533

Change-Id: I523884285fdd5bcc8cc8033311608035b792c943
tree: 3134864c7e46afa3cbba8e5b2a61e224370f6421
  1. msm8974/
  2. msm8996/
  3. msm8998/
  4. Android.mk
  5. CleanSpec.mk