Tom Sandoval is in hot water once again after comparing the attention his cheating scandal received to the O.J. Simpson murder trial and the police killing of George Floyd. Roxie Washington, the mother of 10-year-old Gianna shared with Floyd, spoke out about the Vanderpump Rules star’s ignorant remarks, RadarOnline.com has learned, suggesting that he needs to repeat that “dumb s—” in a mirror. The Bravo personality was questioned why he thought “Scandoval” became a media circus after news broke that he cheated on longtime girlfriend Ariana Madix with her close friend Rachel Leviss. “I’m not …