Assuming this works like the other barrier glitches, the dogs will still get you but you can plant betties inbetween rounds all around you and anyway dogs aren't too hard to handle if you and your pals stay in the corners, especially if you have the fast reload perk.
It would be nice to find a nice barrier that keeps dogs away from you though, then I could get the stupid trophies and I wouldn't need to use glitches anymore in there lol.