Merge "Revert "Volume listener accounts for 25 possible volume steps"" into oc-dr1-dev
am: c4631c16c2

Change-Id: I2dbe03398a13d91dcb401b0ed192b48cb9c6147b
tree: b8a5a02140e1595b17fdb922a308ea3eb7064a8d
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk