LOS ANGELES — Turning the tables to grill a reporter, Julius Randle appeared to dismiss any talk about getting traded by the Knicks before the deadline next week. When quizzed about the reports of his possible relocation Friday, Randle thrice asked for the source of such information. “That sounds like gossip,” the power forward concluded. If nothing else, the tense back-and-forth portrayed confidence from Randle that he hadn’t heard anything substantial about a possible relocation. There have been rumors — and nothing is off the table when a team is floundering like the Knicks — but Randle’s c…