Merge "[Output Switcher] Handle muting expected device" into tm-dev am: 1ad92562

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18610067



Change-Id: Ia753d95a13640d4cc8d1a9f666461f6d0be0c0cc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>