Elon Musk's private jet is scheduled to leave Shanghai on Thursday morning and head to Austin, Texas, data from flight tracking provider Variflight showed, wrapping up a whirlwind trip to China – his first in three years. After two days in Beijing, the Tesla Inc CEO arrived in Shanghai on Wednesday night and visited the U.S. electric vehicle maker's plant in the financial hub, showed photos posted by Tesla's China-based public affairs chief Grace Tao on her Weibo account. Tesla did not respond to a request for comment on Musk's planned departure. The photos showed Musk holding up a "Giga…