By Frazier Moore, The Associated PressNEW YORK - Prolific TV producer Robert Halmi, Sr., has died.Halmi died Wednesday in his New York City home at 90, said spokesman Russ Patrick.The Hungarian-born Halmi found success as a magazine photographer after arriving in America in 1951, shooting pictures for such publications as Life and Sports Illustrated.But in a mid-career switch in the mid-1960s, he