ABU DHABI, UNITED ARAB EMIRATES—Toto Wolff and Christian Horner barely looked at each other when they sat side-by-side three weeks ago discussing the Formula One championship. Their frosty relationship thawed briefly Friday ahead of the Abu Dhabi Grand Prix, where seven-time champion Lewis Hamilton and Max Verstappen are tied in the points standings heading into the title-deciding race. “Good luck. May the best man and the best team win,” said Mercedes head Wolff, who reached across the constructers championship trophy to shake Red Bull rival Horner’s hand when asked what the two team principals had to say to each other. “Exactly,” replied Horner, who accepted the handshake. It was dramatically different from Nov. 19 at the Qatar Grand Prix, where the tension was evident in their rigid body language and open disdain for one another. “I don’t need to go to dinner with Toto. I don’t need to kiss his (butt) …