Add swarming buildbot slaves on skia-vm-008
Add swarming buildbot slaves on skia-vm-008

TBR=rmistry
BUG=skia:4763

Review URL: https://codereview.chromium.org/1769603002

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