Merge "Camera: Quit extension handler thread during release" am: 8aacfdb2 am: 0521e677 am: 4df311c1 am: 3ccee8a1 am: 830694cd

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2555515



Change-Id: Id971f8a730c773fba70dca47b0ef79dc0fee5e6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>