Japan’s economic growth for the current business year to next March will likely be 0.9 percent, revised downward from the initially estimated 1.3 percent, as inflation hurts private consumption and the auto industry is hit by safety test scandals, the government said Friday. In its midyear report, the Cabinet Office more than halved its outlook for private consumption, accounting for over half of the economy, to a 0.5 percent increase from the 1.2 percent forecast in January. The downward revisions underscore the challenges the economy faces in ensuring steady growth at a time when inflation i…