Merge "Updating TrustManagerService to react to keyguard visible changes." into tm-dev am: bd5592e65b am: b0075d1b1d

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

Change-Id: I9ce9298441da726e69d054ea7429666a95b7feb8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>