QS: Fix on tablets at first boot up wrong orientation detection if landscape

on tablets where it is possible to boot up in landscape no configuration
change is triggered hence we cannot read the current orientation. Workaround this
problem and read on first bootup the screen size out

Fixes: http://forum.xda-developers.com/showpost.php?p=48768480&postcount=372

Change-Id: I816ae80beaa26b8de0e929017273ebee4e44cab9