Merge "Camera: Use a single handler thread for device state callbacks" into udc-dev am: 5f614202

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21563739



Change-Id: I3c4fab20a442f8358e654c9b0dd35b4d04d0cee5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>