Merge "[Output switcher] Filter disconnected device" into tm-qpr-dev am: 4d432885 am: 8460a6f7

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



Change-Id: Ib06240786d692af56d8e1ebee7a8e1edafa4b9a8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>