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

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

Change-Id: Iceaaa7a70718fc0d7236102e5baa7fd5572b9645
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>