SYDNEY, Nov 4 (Reuters) - Australia's Prime Minister Anthony Albanese said on Saturday his much-anticipated visit to China to meet with President Xi Jinping and Premier Li Qiang marks a "very positive step" in stabilising strained bilateral ties. Arriving on Saturday, Albanese will be the first Australian leader to visit China since 2016, part of an effort to patch up relations that had deteriorated over several years due to disputes over Chinese telecoms firm Huawei, espionage and COVID-19. "The fact that is it is the first visit in seven years to our major trading partner is a very positive step,...