Fix layout recreation check

Change I7d6b088a9235362e03cb6694392df71bbf5a323a added a relayout
for programmatic text direction changes, but this is breaking some
fixed layouts. Make sure layout params exist before trying to
act on them

Change-Id: Ibfe3daa71490d109c9a4bdc4c90cbf9517e53260
Merge "Fix layout recreation check" into cm-11.0
Merge pull request #21 from CyanogenMod/cm-11.0

/compare/cm-11.0...CyanogenMod:cm-11.0