limit range of surface sizes in surface_image_unity

We're already not testing these giants sizes on 32-bit machines because
they overrun memory.  I'm not sure it's important to test them at all.

Change-Id: I322d46add8024760fc71939abe09430f77cbd69d
Reviewed-on: https://skia-review.googlesource.com/c/165767
Auto-Submit: Mike Klein <mtklein@google.com>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
1 file changed