interfaces: Remove a2dp entirely

* android.hardware.bluetooth.a2dp HIDL HAL is being dropped in V
* There are no known devices that currently make use of this HAL

Change-Id: I0252365f1f3431ae048170be90a4e80980112ff2
20 files changed
tree: 1fd87cf316338e1997b3c0a74867e4de6d92a653
  1. epic/
  2. libGeoTrans/
  3. SbwcDecompService/
  4. tetheroffload/
  5. Android.bp
  6. Android.mk