My very quick Google search seemed to indicate that is an option but by no means a done deal. Either way, the move is still a lot sooner than I was thinking it was.
I still think they would be well served being a traveling show for a year. Try to build up fan bases in different locals. Volunteer for the London game again next year, play in San Antonio a time or two, maybe San Diego once, Salt Lake City, Mexico City, . . . does Reno have a stadium? Go everywhere with a fairly short, direct flight to Vegas.
The players would probably hate it and their record would suck, but it would be better than staying in Oakland for another year and I think could do a lot to expand their brand. The UNLV stadium isn't huge so it's not like they have to have an NFL sized stadium to play in.