Merge "Fixed graphical glitch in lockpattern view" into main am: 2c11b9ff46 am: 2cc3ec7180

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3075785

Change-Id: I05af9089606b78be9d4cd225ff43d734c0bd7394
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>