HOUSTON — The Lakers built a 12-point lead and seemed to have some momentum late in the first half tonight against the Houston Rockets. Then they watched the Rockets go on an 11-0 run to make it close again. Kobe Bryant’s jumper at the buzzer made it a three-point game. Bryant and Lamar Odom each had 15 points by halftime. The Lakers shot 55.8 percent, but the Rockets shot 53.5 percent. Luis Scola, Chuck Hayes, Chase Budinger and Jordan Hill scored eight apiece for Houston. The Rockets’ Yao Ming and Aaron Brooks were sidelined by ankle injuries.