AUSTIN, Texas (AP) — Oklahoma’s Kristian Doolittle has had some big games on Texas’ home court but always came away without a victory. The Sooners’ senior finally walked off a winner. Doolittle scored 22 points and Oklahoma pulled away from Texas late for a 72-62 win Wednesday night that snapped the Sooner’s four-game losing streak on their rival’s home court. “I’ll cherish this one,” said…