Merge "Remove valid_mask from audio.h" into pi-dev
am: acbca59e60

Change-Id: I58242e290f7a477712563d50f2384df8065efa54
tree: 6506f26f042296dc22d9cc81bcc7e879f9bd6f18
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk