"A job listing reveals the first details of Google’s fusion of Android and ChromeOS. "
“We know a little more about Google’s long-gestating plans to combine the best parts of Android and ChromeOS into a single OS thanks to a job listing for a product manager to work on ‘Aluminium OS.’ The job ad describes it as ‘a new operating system built with Artificial Intelligence (AI) at the core.’”
There used to be x86 Android phones. But they kept that port going even after the phones went away because it was good for development on x86 machines. You could just run a VM instead of having to emulate an arm ISA.