Merge "BluetoothAdapter: Extend getActiveDevice with LeAudio" am: a8c0faa120 am: f1fecf587c am: c1f3da3748 am: 7ef1545a4c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1890537

Change-Id: Id4f689d756d9db31ae93d9a13f7bbe886fba2719