Lockscreen Blur: fix for coverflows

fix showing background when playing next music

Change-Id: Ic95965f34b6bdb1c04d5fa680b5f8b81adb3d952
Fix Lockscreen Blur Rotation

reset mLastRotation value on every recreate.

Change-Id: Id09ab65d8668ffb1f146e00d6ee2ec8ec09012fb