Merge "Add logging to KeyguardVisibilityHelper" into tm-qpr-dev am: e4cfc066 am: fa18adb5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20843291



Change-Id: I2a6ee635ceaff6fcb04d85944ec74cc05710373e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>