am eac1e897: am 29cc9489: am 74c5d53e: am b524f4b9: Merge "add some defensive code to enableUserSelectorIfNecessary." into jb-mr1-lockscreen-dev

* commit 'eac1e897bb939d6ce7cb987754939eb734e2cc24':
  add some defensive code to enableUserSelectorIfNecessary.