HOUSTON — One team played like its season was on the line. The other team was the Lakers, who were on the losing end of Sunday’s Game 4 at Toyota Center for their first loss of their first round playoff series against the Rockets .  After falling behind in the series by three games, the Kevin Durant-less Rockets were the more urgent and aggressive team in their 115-96 blowout victory over the Lakers, who consistently struggled to generate offense the entire game .  The Lakers shot 50% from the field (37 of 74), but only made 5 of their 22 3-point attempts. It was their fewest made 3s in a playoff game since making four 3s on April 26, 2013 (Game 3 of 2013 first round series against Spurs).…