[automerger skipped] [DO NOT MERGE] Add FLAG_SECURE for ChooseLockPassword and Pattern am: d5771108b9 -s ours am: 5561341091 -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: If075061207ed359f26ec3a597792329d77bc537a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>