DO NOT MERGE - Merge pi-platform-release (PPRL.190505.001) into stage-aosp-master

Bug: 132622481
Change-Id: Ie28cb04593dbfdb7827efd61dee0dd53773750fb
tree: ee375932500c6c3f332e7776d39d87ee8fe5c682
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk
  7. OWNERS