Merge "Update BackgroundExecutor to use LocklessQueue" into udc-dev am:...

Merge "Update BackgroundExecutor to use LocklessQueue" into udc-dev am: 052dcb5c am: c096603f am: 5d39faaa am: bec1c981

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23295158



Change-Id: I12f592789973607951d001c29215e339bfce9dc3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>