makeColorSpace() for SkColorFilterShader and SkLightingShader

Fixes 4 gms in gbr-8888 config.

Bug: skia:6516
Change-Id: I9da839eb0211910989be35db0e13c0e1bbfa185d
Reviewed-on: https://skia-review.googlesource.com/13964
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Matt Sarett <msarett@google.com>
6 files changed