MYTISHCHI, Russia — The players hoping to make China’s men’s hockey team for next year’s Beijing Olympics lost a second trial game against a Russian club on Wednesday as uncertainty builds over whether they will be allowed to play at the Winter Games. International Ice Hockey Federation officials observed Kunlun Red Star’s 4-1 loss to Avangard Omsk in the Kontinental Hockey League. The Chinese team’s 5-4 overtime loss to Amur Khabarovsk in another KHL game two days earlier was also used to assess the competitive strength of the team. Kunlun has a 7-22 record in the Russia-based league. China is…