MatrixColorFilter: convert transpose to [0,1] while transposing.

This seems like a no brainer.

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4323

Change-Id: I761c9c696ef9389a25ac30680e7c2bbd43c7affb
Reviewed-on: https://skia-review.googlesource.com/4323
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
1 file changed