Yul Kwon had barely a moment to catch his breath after reaching the shores of Fiji’s Mamanuca Islands before “Survivor” host Jeff Probst singled him out.“Yul, you played 14 years ago,” he said. “The iPhone didn’t even exist!”It was an incisive observation. Kwon won “Survivor: Cook Islands” at age 31 in 2006 — eons ago in reality show time — but after years away, for Season 40, he decided to return to re-enter that familiar gauntlet. His physical, mental and social abilities would again be tested. Same game, different beach, new name: “Survivor: Winners at War.”“I feel like a dinosaur that’s...…Yul Kwon had barely a moment to catch his breath after reaching the shores of Fiji’s Mamanuca Islands before “Survivor” host Jeff Probst singled him out.“Yul, you played 14 years ago,” he said. “The iPhone didn’t even exist!”It was an incisive observation. Kwon won “Survivor: Cook Islands” at age 31 in 2006 — eons ago in reality show time — but after years away, for Season 40, he decided to return to re-enter that familiar gauntlet. His physical, mental and social abilities would again be tested. Same game, different beach, new name: “Survivor: Winners at War.”“I feel like a dinosaur that’s...WW…