Merge pi-dev-plus-aosp-without-vendor into stage-aosp-master am: 751bf87ff4
am: c6710d31ff

Change-Id: I59c64f631577ed4bf60a5b8a646456f672142262
tree: 9a42a2f70f50f0b8fd22b22633aa18ed2a1df0fc
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk