Last week, viewers of “America’s Got Talent” were given their first voting task of this 17th season: to choose who would become the 55th and final live show act. Judges Simon Cowell, Heidi Klum, Howie Mandel and Sofia Vergara narrowed down the decision to four contestants: singer Ben Waites, singer Debbii Dawson, sword swallower Auzzy Blood and comedian Jordan Conley. During the August 9 live show, host Terry Crews officially…