Add missing result_skip and result_fail. Missing result_skip results in tests missing from json.output in perf CI builders. Not sure if the missing result_fail actually happens. Bug: angleproject:6854 Change-Id: I0d70a93be0d595c45e23558345481e749ba128bc Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3606921 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Roman Lavrov <romanl@google.com>