Merge "[LE Unicast] Using the active device as main device after grouping"...

Merge "[LE Unicast] Using the active device as main device after grouping" into tm-d1-dev am: 8a8b69d7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18911430



Change-Id: I19560608a3bc1a608ea515bddcd1f9f389e0a918
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>