Merge "[LE unicast] The isBusy state should involve the state of sub device" into tm-qpr-dev am: 6e4c896775

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20059745

Change-Id: I3715b475c790615ccbd55abd47363b097998571d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>