Revert "start cleaning up non-skcms SkColorSpaceXforms"

This reverts commit 339133f82c30cd3080672db28e6f72c894cba05a.

Reason for revert: broke NinePatchDrawableTest.testGetPadding?  stranger things have happened.

Original change's description:
> start cleaning up non-skcms SkColorSpaceXforms
> 
> I think this gets rid of
>   - SkColorSpaceXform_Base
>   - SkColorSpaceXform_XYZ
>   - SkColorSpaceXform_A2B
> and lots of support code.  Might be more left to clean up?
> 
> Change-Id: I560d974d1e879dfd6a63ee2244a3dd88bd495c8a
> Reviewed-on: https://skia-review.googlesource.com/129512
> Commit-Queue: Brian Osman <brianosman@google.com>
> Auto-Submit: Mike Klein <mtklein@chromium.org>
> Reviewed-by: Brian Osman <brianosman@google.com>

TBR=mtklein@chromium.org,brianosman@google.com

Change-Id: I9e76195481b8658b34936aeece278d81c286c0fa
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/129680
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
18 files changed