infra: Re-enable swarming tests. Changes since the revert: - Include runtime_deps: http://crrev.com/c/2878093 - Add missing perf scripts: http://crrev.com/c/2877011 - Include build_properties: http://crrev.com/c/2878373 Bug: angleproject:5114 Change-Id: If7d1e5693c4ade72d3f45f5d60635cb27de7599e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2877012 Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>