[automerger skipped] [DO NOT MERGE] Add FLAG_SECURE for ChooseLockPassword and Pattern am: d5771108b9 -s ours am: 5561341091 -s ours am: 8da95c29a9 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/19961564

Change-Id: I6479bd21413acdd463881ddea502d84217f85da3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>