add SkLightingColorFilter for makeColorSpace()

This implementation should be identical to the previous one,
except we remember that the inputs to our matrix were colors
and transform them if so requested.

This fixes the GM lightingcolorfilter in gbr-8888 config.

Change-Id: Iea0d1079e1c0f5515019b3a4786fc5387dac92ff
Reviewed-on: https://skia-review.googlesource.com/14378
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Matt Sarett <msarett@google.com>
1 file changed