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 am: 56dfb02e

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



Change-Id: I620c9ba975f755d5de0f42743d3dfa91d766bda4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>