If you’ve noticed an increase on Austin streets in the number of shiny, white Jaguar I-Pace electric SUVs with rapidly rotating cameras and nobody behind the wheel, you’re not hallucinating. The self-driving vehicles from Waymo, a division of Google parent company Alphabet, have been all over Austin roads as part of a test run ahead of the company’s big public launch in Texas, when they’ll be widely available to Uber riders at the push of a button. Last week, Uber opened its wait list for riders eager to hail one of Waymo’s driverless vehicles in the state’s capital. Almost simultaneously, Tesla CEO Elon Musk announced plans to launch a passenger service with driverless vehicles by June. (It should be noted that Musk has a history…