Merge "visualizer: fix issue of subtraction overflow" am: e6a167eca5

Change-Id: I954bcc48f87d115b639b17768f1fd872f94dd2e8
tree: 4596cf1609074a5b6f44c28fa0022e995d73a9d0
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk
  7. OWNERS