DO NOT MERGE: Merge Oreo MR1 into master

Exempt-From-Owner-Approval: Changes already landed internally
Change-Id: I68f6169fa60f42ab1ebf06881ba8b5ff23e6be31
tree: 923ef1c9d91a2217b25b59370239c6e07ea50758
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk