Merge "broadcaster: Introduce STOPPED audio state" into main am: 9bbb3b6f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3365598



Change-Id: I71d90d5753c0aec4f5842ebc1f353b2596447b35
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>