Led by “Bacurau,” directed by Kleber Mendonça Filho and Juliano Dornelles, and Marco Bellocchio’s “The Traitor,” both playing Cannes competition, Brazil has five movies selected for this year’s Cannes, seven if including Acid, the best result in living memory. It also makes Brazil Cannes’ fourth-biggest national cinema presence, after France (46 productions), the U.S.