Merge "audio: utility and macros for LE audio broadcast" into tm-dev am: 575e3bb555 am: a1a87002a2

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/media/+/17183474

Change-Id: I3863dace73d2c480682e303bd7bca0ceedebc0ea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>