Fix imagefiltersbase GM in ColorSpaceXformCanvas configs

The fail image filter should continue to fail (not disappear) when run
through a color space xform. Not real important, just trying to fix any
diffs relative to tagged surfaces.

Note that the third row (which is supposed to be blank) is rendered
for all gbr- configs here:
https://gold.skia.org/search?fdiffmax=-1&fref=false&frgbamax=255&frgbamin=0&head=true&include=false&limit=50&master=false&match=gamma_correct&match=name&metric=combined&neg=false&offset=0&pos=true&query=name%3Dimagefiltersbase%26source_type%3Dgm&sort=desc&unt=true

Change-Id: Ic9be6210b02328a0cd7aa7f92c12aad13c0632fb
Reviewed-on: https://skia-review.googlesource.com/145376
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed