am d47ff224: am 34fa769a: audio msm8974: new path for speaker phone with AEC

* commit 'd47ff224c7b24933c701acae8d5e4c98a1bc80af':
tree: d9283eb0f54ed1198c308d71c3763f186a02e2a5
  1. hal/
  2. legacy/
  3. visualizer/
  4. voice_processing/
  5. Android.mk