DO NOT MERGE Refactor passwords/pins/patterns to byte[]

Relating to packages/apps/Settings

Bug: 120484642
Test: manual - test setting and unlocking passwords/pins/patterns.
      automated - atest packages/apps/Settings/tests/robotests/src/com/android/settings/password/

Change-Id: Idec8338d141c185bef67ade12035fdb2fa9d17ea
(cherry picked from commit b27c4308a2ab839cff4f4751451440f6dc752e8e)
11 files changed