SAN DIEGO — Navy prosecutors rested their case Friday against the 21-year-old sailor accused of starting the devastating fire on the amphibious assault ship Bonhomme Richard, just 1,000 feet from where the $1.2 billion warship burned more than two years ago. Seaman Recruit Ryan Sawyer Mays, a 19-year-old deck seaman on the ship at the time of the fire, is charged with aggravated arson and the willful hazarding of a vessel. Mays denies starting the blaze. He faces life in prison if convicted. With no eyewitness to anyone setting the fire, Capt. Jason Jones told the military judge Friday that he…