audio: hal: add customized external smart pa code am: 13f26e89c5 am: 7415f5772a
am: 3add8f5417

Change-Id: I657ebc9f7fbda112e5b5ad322c92f49aafcf3a36
tree: ae79222d81348cd4875e8da1fb6cda923c499851
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk