Merge "le_audio: Introduce broadcast audio session created event" into main...

Merge "le_audio: Introduce broadcast audio session created event" into main am: e9157ecf am: 2824a067

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3139473



Change-Id: I8b649d433b7c221e9fc883da9dd749896685ee5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>