skcms→56f2a09 add sRGB profile and ApproximatelyEqualProfiles()

Change-Id: Ic6408fdc8819342da175ec8b99b5838669b1b2ae
Reviewed-on: https://skia-review.googlesource.com/120501
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
2 files changed