gold: Decrease vertical space on paramsets by introducting stripes.
gold: Decrease vertical space on paramsets by introducting stripes.

First LGTM wins.

Screenshot:

  https://screenshot.googleplex.com/TxOjbBvA30y.png

BUG=skia:

Review URL: https://codereview.chromium.org/1264763005

Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot