audio: hal: set mode bt in tfa when entering start_hfp
am: 0b67950f89

Change-Id: I30e74e0c266e9d2646ade99f0517076b621918cf
tree: 0b391ea3793b5d8ba3ebc391585eaee7426bb8e4
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk