By Piya Sinha-Roy LOS ANGELES (Reuters) – American actress Eileen Brennan, best known for her Oscar-nominated role in 1980 film “Private Benjamin,” has died from bladder cancer. She was 80. Los Angeles-born Brennan died on Sunday at her home in Burbank, a Los Angeles suburb, surrounded by her family, said Kim Vasilakis, a media representative for the actress. Brennan was suffering from bladder cancer, she said. “Our family is so grateful for the outpouring of love and respect for Eileen,” Brennan’s family said in a statement. “She was funny and caring and truly one of a kind. …