President Donald Trump, left, shakes hands with China's President Xi Jinping during a meeting on the sidelines of the G-20 summit in Osaka, Japan, June 29, 2019. (AP Photo/Susan Walsh, File) WASHINGTON (AP) — The leaders of both Canada and Mexico got on the phone with U.S. President Donald Trump this past week to seek solutions after he slapped tariffs on their countries, but China’s president appears unlikely to make a similar call soon. Beijing, which unlike America’s close partners and neighbors has been locked in a trade and tech war with the U.S. for years, is taking a different…