MEXICO CITY (AP) — For the second consecutive year, the hypercompetitive category of best international film at the Academy Awards includes a Brazilian film that has also earned a nomination for best picture, best acting and achievement in casting. “The Secret Agent,” directed by Kleber Mendonça Filho , will compete for the award on March 15 in Los Angeles, a year after Walter Salles’ “I’m still here” won the statuette for best international film — and there is significant chance that it could