audio: hal: add customized external smart pa code am: 13f26e89c5 am: b76c5da4c4
am: 60734ee795

Change-Id: I5227c8f77089931c1f42f560398bb84c208162b9
tree: ae79222d81348cd4875e8da1fb6cda923c499851
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk