Merge "[le audio] Add Broadcast feature stack metrics" into main am: 1796396e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3256480



Change-Id: I0346d9b4c384d34b55df2e845f618673aeea738b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>