The suspense, the not knowing, drove Pete Carroll crazy. While his assistants roamed the nation this month evaluating players for future recruiting classes, USC’s football coach restlessly awaited their dispatches while aching for a first-hand look. “I feel like that kid in ‘Disturbia,’ ” Carroll said last week. Kale Brecht, the fictional 17-year-old played by actor Shia LaBeouf in the 2007 movie thriller, wore a court-ordered ankle bracelet that forbade him from traveling outside a 100-foot perimeter of his home. Carroll can relate.