audio: Add IBluetoothLe am: b5647da1ad am: 1202d57e63

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2477536

Change-Id: I92253376ec5d336a3bf03434fc016d20b4619481
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>