Merge "Camera: Quit extension handler thread during release" into udc-dev am:...

Merge "Camera: Quit extension handler thread during release" into udc-dev am: f34e90c0 am: f82c0efe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23064806



Change-Id: I42a7d591de9b4f3af9d1e371ee781f478d745578
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>