A Google-bred pioneer in self-driving cars and Uber's beleaguered ride-hailing service are colliding in a courtroom showdown revolving around allegations of deceit, betrayal, espionage and a high-tech heist that tore apart one-time allies. The trial opening Monday in San Francisco federal court comes nearly a year after Google spin-off Waymo sued Uber, accusing it of ripping off key pieces of its self-driving car technology in 2016.