The setting on the Embarcadero on Tuesday morning didn’t look particularly revolutionary. Coffee with almond milk, berry and yogurt parfait, nice jeans and expensive backpacks. All for a daylong seminar with movers and shakers from the sports world and Silicon Valley. This is part of a revolution in this “shut up and dribble” era of sports. The Bloomberg Players Technology Summit is one of the stealth partners in the movement that is empowering athletes, creating a newfound activism and changing sports. “It fits right in the middle of it,” the Warriors’ Andre Iguodala said. “We’re owning more of ourselves. We’re not letting someone speak for us or dictate our moves.