Merge "le_audio: Use broadcast device for broadcasting usecase" into tm-dev am: 61b1cf41

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/17745106



Change-Id: I4c35761b0ac140b0818faa1499f14f44ad9baf4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>