Apple was in talks last year to launch its Apple TV+ video streaming service in China via a deal with China Mobile, the country’s largest telecommunications provider, according to people with knowledge of the matter. If successful, the talks would make Apple TV+ the only U.S. streaming service to be available in China, one of the world’s biggest markets.The status of the talks is unknown. But Apple has good reason to try to wrap up a deal, which would give Apple TV+ access to more than 200 milli...