Reset catapult checkout on swarming bots
Reset catapult checkout on swarming bots

BUG=skia:5418
TBR=benjaminwagner

Review-Url: https://codereview.chromium.org/2058183002

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot