Merge "btif_av: Move callback declarations from hardware/bt_av.h to btif_av.h"...

Merge "btif_av: Move callback declarations from hardware/bt_av.h to btif_av.h" into main am: 3a841ac6 am: 7d909c2f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3336993



Change-Id: I76b3b9d2346fdb502753727c50a64d3009e502da
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>