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: Ie7fbe9dd1bd1cc6b7b46faa9a4428982ad5d4da4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>