Correct string for left-handed mode

Change-Id: Iee951db7642a487b9ca94f1264b9cd2e2a4390be
Settings: Remove "Make pattern visible" regardless.

  - Previous logic depended on all pattern lock elements to be
    null prior to removing the preferences. Remove them one by
    one if they exist now.

  - PS #3: Add braces.

Change-Id: If34bc305eddda2985b37bd55349e4bb5d9b63154
disable cm bootreceiver

we do not use performance settings from CM as we have Device Control, our
own solution for controlling performance and so on.

disable the bootreceiver of cm to not possibly override anything

Change-Id: I9828782cf4a8c8d713dbbce111c50c389be4b281