am 0e74f5a5: Guard against index out of bounds exception in lock pattern widget.

Merge commit '0e74f5a50b3b08c4519a040dafa895ab1f5b4d2e'

* commit '0e74f5a50b3b08c4519a040dafa895ab1f5b4d2e':
  Guard against index out of bounds exception in lock pattern widget.