LOS ANGELES — Space shuttle Endeavour landed safely at the Los Angeles International Airport Friday after a whirlwind aerial tour around California landmarks.  Strapped to the back of a 747 jumbo jet, the pair touched down around 1 p.m. after a nearly five-hour flyover. One of the crew members stuck an American flag out of the hatch of the jet.  The flyover took Endeavour over the state Capitol, Golden Gate Bridge, Hollywood Sign and other icons en route to the landing at the Los Angeles International Airport, where the shuttle will be prepped for a slow-speed journey to its museum …