Merge "Makes lock screen long-press popup background fixed." into udc-dev am:...

Merge "Makes lock screen long-press popup background fixed." into udc-dev am: 7738e34d am: 39824b35

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22767422



Change-Id: I2e9bab877c175e678d6f5dae1634030e16f5a187
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>