Add new aidl interface for android.hardware.bluetooth.audio

Bug: 203490261
Test: m android.hardware.bluetooth.audio-update-api

Change-Id: Ida6d664b2c3eedfb4c3abaece7c3540623c72270
Merged-In: Ida6d664b2c3eedfb4c3abaece7c3540623c72270
74 files changed