Settings: Fixed force close issue when the window is shown without the action bar (tablets)

Change-Id: Id4d9be361dec60a14e7fc26a4b9b7d2906c4abe3
Fix FC in Settings / About / Status (Status.java) on Tablets.

Fixes FC on tablets caused by  http://review.cyanogenmod.org/#/c/49258/
because of NULL pointer exception.

Change-Id: Ie84b4372c684504e80e6c65a8f403759af983d82