Make the old-skp job's output match the size of the DDL jobs' output
Make the old-skp job's output match the size of the DDL jobs' output

This CL could, arguably, confuse the issue wrt why these images are
being generated but making the sizes match will make the images easier
to triage.

Bug: skia:13278
Change-Id: Ifb0b82eaaa4351fb589118d3b28673da9dd32e20
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/537576
Reviewed-by: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>
Commit-Queue: Robert Phillips <95e8ac5504948c7bf91b22c16a8dbb7ae7c66bfd@google.com>

google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia