Speculation is mounting that China will turn to its old playbook for bolstering economic growth that is set to suffer amid the coronavirus outbreak with massive state-led capital spending led by infrastructure investment.It is increasingly clear that the outbreak of the deadly virus will deal a heavy blow to the world’s second largest economy and threaten President Xi Jinping’s grand goal of building up a comprehensive well-off society by 2020.In 2008, in an attempt to manage the global…