Insert instead of update if theme doesn't exist

This handles the case where an app is being upgraded and previously was
not a theme. and therefore wasn't in the provider.

Change-Id: I7b3f64aed2b78081822cb0f9daf0cbd638e0b15b
Merge "Insert instead of update if theme doesn't exist" into cm-11.0
Merge branch 'cm-11.0' into kk_mkt