Merge "Keyguard: use transition state for syncing occlude [RESTRICT...

Merge "Keyguard: use transition state for syncing occlude [RESTRICT AUTOMERGE]" into tm-qpr-dev am: 20bcbf38

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23661867



Change-Id: Ie5c29f3ccd7ab5d6f009dd989072089c8d537d1b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>