[3.8] bpo-36511: Add buildbot scripts and fix tests for Windows ARM32 buildbot (GH-13454)#14244

miss-islington wants to merge 1 commit intopython:3.8python/cpython:3.8from

miss-islington:backport-f355069-3.8miss-islington/cpython:backport-f355069-3.8Copy head branch name to clipboard