[automerger skipped] Unregister AudioManager callbacks while LE Audio service stops am: 0ff60ecc -s ours

am skip reason: Merged-In Iec41c1f9c4633f084d8740732e549bbdb552bf5b with SHA-1 626b786f is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/20541211



Change-Id: I2dd213b7b0a10ade76b67207b16e264c612f4f02
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>