A breaking change to autoninja.bat was causing the script to fail to find 'python3.bat' in this configuration. Work around the issue by instead invoking 'ninja.exe' directly with the correct '-j' argument. Bug: angleproject:5766 Change-Id: Ie01d7e8c4caf80661f420ccfc55a8d951a4e1b4f Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2787186Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Tim Van Patten <timvp@google.com> Commit-Queue: Jamie Madill <jmadill@chromium.org>
