DETROIT—Tesla Inc. on Wednesday posted record fourth-quarter and full-year earnings as deliveries of its electric vehicles soared despite a global shortage of computer chips that has slowed the entire auto industry. Although the company predicted it would be able to build 50 percent more vehicles than it made last year, CEO Elon Musk said the chip shortage would stop the company from rolling out any new models in 2022. That means another delay for the Cybertruck pickup, which was originally scheduled to go on sale last year. Musk also said Tesla isn’t yet working on a promised $25,000 small electric car, but it will. “We have enough on our plate right now, quite frankly,” he said. And Musk said the company is looking at building additional factories and will offer an update on locations later in the year. The Austin, Texas, company made $5.5 billion last year compared with the …