Merge "Camera: Improve error handling of device state listeners" into udc-dev...

Merge "Camera: Improve error handling of device state listeners" into udc-dev am: cbfa540d am: f12cd9ec am: 7a014f31 am: fd9beaa5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23213966



Change-Id: I9015d9c7ca20341021302593b537cafbd28d9406
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>