[gold] Reword CL message for Skia instance
[gold] Reword CL message for Skia instance

Bug: skia:10218
Change-Id: Ia790d04d0d20fdc144f846b57d15e36dcc09f25d
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/295793
Reviewed-by: Leandro Lovisolo <f558143c2568be8d55575d13f30a1fc5cb8009d5@google.com>
Commit-Queue: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>

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