Remove LockPatternUtils.setVisiblePasswordEnabled() am: 15258a4d76

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2700158

Change-Id: Ic5f9e3c10a9dca9ef179618681fb8aa751a1a6e3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>