Merge "BLE audio: support assigning volume at BLE device connection" am: f986b197

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2191195



Change-Id: I8f5af8c2d3dcaebd77172c7c11531a09f4d1342e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>