By Didi Tang and Matthew Lee | Associated Press WASHINGTON — President Joe Biden met Friday with China’s top diplomat, a conversation that’s viewed as the precursor to a potential sit-down with Chinese President Xi Jinping next month. The encounter with Chinese Foreign Minister Wang Yi was the latest in a series of high-level contacts between the two countries as they explore the possibility of stabilizing an increasingly tense relationship at a time of conflict in Ukraine and Israel. The White House said Biden “emphasized that both the United States and China need to manage competition in the relationship responsibly…