Not according to this and the links within it..
http://www.yellow-bricks.com/2012/12/21/renaming-virtual-machine-files-using-svmotion-back/
If you check the link Storage vMotion does not rename files? he has clearly mentioned in the first line of the blog that "A while back I posted that 5.0 U2 re-introduced the renaming behavior for VM file names"
Thanks