Merge "LeAudioService: Minor changes to store volume for the group" am:...

Merge "LeAudioService: Minor changes to store volume for the group" am: 06f59899 am: bd2443ea am: 00ec09b4 am: 7826a6ec

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2145045



Change-Id: I21faa46716a6f9ad45726b8048e7bd696da503ab
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>