Slated to host Super Bowl 50 in February 2016, Levi’s Stadium, the new home of the San Francisco 49ers, has been called the “future of the NFL” — a $9 billion league that has plans to grow even bigger over the next decade. But is this high-tech, lavish and meticulously designed stadium all that the owners are touting it as — a cutting-edge experience for fans? Or will it turn out to be a high-priced distraction rather than an enhancement for fans’ live-game experience?The stadium …