Accused Brooklyn subway shooter Frank James has made at least one new friend since his arrest for spraying 33 bullets on a crowded New York City train: disgraced R&B superstar R. Kelly. Three sources told the New York Daily News about the friendship between the two men held at the Metropolitan Detention Center in Sunset Park, where Kelly is awaiting sentencing for sex trafficking and James is awaiting trial for the April 12 mass shooting on an N train. “Both do get along. They actually sit together and eat together,” said one jailhouse source. “They talk about TV shows. They go out to rec toge…