Prepare for better device categorization by moving everything to testing subdir first. [skip-ci]: chicken-egg problem: passing pmaports CI depends on pmbootstrap MR depends on this MR Related: postmarketos#16
A lot of patching was necessary, see the merge request and device wiki page for details. Thanks to opendata26 for helping with the port. https://wiki.postmarketos.org/wiki/Google_Pixel_3_XL_(google-crosshatch) [skip ci]: this hits the compile timeout