dashboard: add SSA check builder

Now that SSA checks are off by default, let's run a builder with the
checks on just to make sure they keep passing.

Change-Id: I7edd2a2865681a135ccf755be7a14f8645c0a8aa
Reviewed-on: https://go-review.googlesource.com/20882
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
1 file changed