Merge "Improve documentation for KeyguardManager" into main am: 9da4fbd52e am: 0cac37bd55 am: 024df6a27e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2747678

Change-Id: I8f1c9cdd36cd1d11cd577b8b7e51d2bcfaae5726
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>