By Lisa Richwine LOS ANGELES (Reuters) -Netflix Inc on Tuesday averted its own worst-case scenario of subscriber losses, posting a nearly 1 million drop from April through June, and predicted it would return to customer growth during the third quarter. Shares, which have fallen roughly 67% this year on concerns about the company’s long-term prospects, rose 8% in after-hours trading following the results. Investors took the forecast as a signal that Netflix could still find new subscribers despite a rocky global economy and signs of saturation in its biggest market, the United States and Canada…