By Andrea Shalal SCHLOSS ELMAU, Germany (Reuters) – Group of Seven leaders on Sunday pledged to raise $600 billion in private and public funds over five years to finance needed infrastructure in developing countries and counter China’s older, multitrillion-dollar Belt and Road project. U.S. President Joe Biden and other G7 leaders relaunched the newly renamed “Partnership for Global Infrastructure and Investment,” at their annual gathering being held this year at Schloss Elmau in southern Germany. Biden said the United States would mobilize $200 billion in grants, federal funds and private inv…