Merge "[flexiglass] Implement lockscreen bypass." into udc-qpr-dev am: c78baa4f2b am: 8904c5dc84

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24026940

Change-Id: Ie0b6628dbba31fc3d313f70ff86c020ac747e92a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>