Fix issue #5614559: Registering surface error in...

...Background Replacement on Stingray

This is how I should have done it in the first place.  We get the
new surface from the window manager, and then just copy it in to
the constant Surface object we have for the holder.

Change-Id: I537a9e413829a18f689dfb46687014676b27156e
3 files changed