SHANGHAI — Riot Games, the maker of the popular “League of Legends” game, will “double down in China,” the company’s vice president told CNBC on Friday. The U.S.-headquartered game maker announced a new studio in Shanghai on Friday with a focus on developing new games for a global audience. “In China we have a lot of passionate players for ‘League of Legends’ and for Riot Games,” Leo Lin, VP and head of China for Riot Games told CNBC. “So as a result, we would like to double down in China and continue to invest here including not only working on…