I think this will only happen if the movie were to become insanely popular. The change of making Victoria the central character is an interesting change, but probably done just to give the movie more of a plot. and for a show thats been running since 1980 in some form or another, it seems unlikely to change. I am also not sure how in the stage show it would be placing that new song right after the show's most famous song, it would totally kill the momentum at that point of the show.
http://www.flickr.com/photos/27199361@N08/ Phantom at the Royal Empire Theatre