Merge "Camera: Physical camera avail callbacks can happen for unavail camera"...

Merge "Camera: Physical camera avail callbacks can happen for unavail camera" into udc-dev am: b72de845

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21616452



Change-Id: I0d94be6d8ac5c81950f346dc15321565cf68cd94
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>