Merge pi-dev-plus-aosp-without-vendor into stage-aosp-master

Bug: 79597307
Change-Id: I06617b57e60534be52a4668fc14014066386656e
tree: 9a42a2f70f50f0b8fd22b22633aa18ed2a1df0fc
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk