Merge stage-dr1-aosp-master into stage-aosp-master

Bug: 112535855
Change-Id: I35111b64c75d8b8ff67e8b627eac8046deeeb587
tree: 027f1322a61ef15c2877a39dabf9fbf0a5681791
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk