Merge "ultrahdr: signal all threads that no further jobs will be queued" into...

Merge "ultrahdr: signal all threads that no further jobs will be queued" into udc-dev am: 15ed5da8 am: 85e4e90a am: 0a7e0da8 am: 21cdb95b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23114816



Change-Id: Ie74fda078be04584b01f7cd3911701a91a71cecb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>