am 39912f7f: Merge commit \'87bb019e\' into jb-mr1-dev

* commit '39912f7f':
  Keyguard sliding challenge - fix overeager touch interception
  Addressing comments in 74bdd216.
  Showing message when max attempts are hit in face unlock fixes b/7306168
  Keyguard tablet/portrait fix for HUGE security views
  Cancel camera launch on screen off.
  Fix launcher flash during secure camera transition.
  Updating isShowing during onResume()
  Suppressing FUL after going to backup fixes b/7449820
  Addressing comments for change c4842c11
  Adding a button for expanding the clock screen challenge.
  Accessibility support for the lockscreen  - phone.
  Stripping dead API related to keyguard widgets
  FUL being unsuppressed when screen turns off fixes b/7453702
  Show the keyboard less aggressively.