Revert "Use real screen width/height to calculate aspect ratio"

This should have been cherrypicked to jb-mr1.1-dev, not jb-dev. 

This reverts commit b21190dc4748538078b1a0420320f83d10a0aaa7.

Change-Id: I03b3d59958575a8646c1078ccc3d953a73cce516
1 file changed