Merge "Updating TrustManagerService to react to keyguard visible changes." into tm-dev am: bd5592e65b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18102036

Change-Id: If10168dda1196928a34bf5c0a06458fd4f6df687
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>