Joe Maring / Android AuthorityTL;DR A new leak claims Google is preparing to upgrade the Linux kernel on most Tensor-based Pixel phones to version 6.12. The new kernel could potentially bring real performance and efficiency improvements, thanks in part to Google’s AutoFDO. Judging by the leak, the Pixel 6 will not receive the update. It looks like Pixel phones are in for another kernel upgrade. A new leak claims that Google’s getting ready to update the Linux kernel Android is built over on Pixel 7, 8, 9, and 10, and while kernel updates don’t bring new user-facing features, the version…