Merge "[Output switcher] Filter disconnected device" into tm-qpr-dev am: 4d432885db

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19181050

Change-Id: Idbdd4dd67755f075603e885ca8352bc7ce529440
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>