By HOWARD FENDRICH MELBOURNE, Australia (AP) — Coco Gauff’s consecutive-set streak ended at the Australian Open. Her bid for a second Grand Slam title continued on Sunday with a 5-7, 6-2, 6-1 comeback victory over Belinda Bencic in the fourth round. Afterward, Gauff drew a broken heart on the lens of a courtside TV camera with the message, “ RIP TikTok USA,” a reference to the ban of the popular app back home. Until Sunday, Gauff — a 20-year-old from Florida who won the 2023 U.S.