Fix themes not sticking on reboot if using Xposed framework.
Credit goes to @rovo89 for the fix

Change-Id: I88c57d81ec677d537f0e5e8b6b2c33f9d9545a0f
Merge "Fix themes not sticking on reboot if using Xposed framework. Credit goes to @rovo89 for the fix" into pac-4.4