Merge "leaudio: Add support for Mute/Unmute" into tm-dev am: e24befa1 am: 490de6bc

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18283622



Change-Id: I10c829ea31dcd9c5b425608f744749c7e4be74f9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>