Enable deprecated SkColorSpace factories named "NewXXX"

Factories are being renamed to "MakeXXX" to be consistent with other parts
of Skia.

See also: https://skia-review.googlesource.com/c/3822/

BUG=

Review-Url: https://chromiumcodereview.appspot.com/2442053002
Cr-Commit-Position: refs/heads/master@{#426904}

skia/config/SkUserConfig.h

@@ -205,6 +205,10 @@ SK_API void SkDebugf_FileLine(const char* file, int line, bool fatal,
 #define SK_SUPPORT_LEGACY_CLIP_REGIONOPS
 #endif
 
+#ifndef SK_SUPPORT_LEGACY_COLOR_SPACE_FACTORIES
+#define SK_SUPPORT_LEGACY_COLOR_SPACE_FACTORIES
+#endif
+
 // Workaround for poor anisotropic mipmap quality,
 // pending Skia ripmap support.
 // (https://bugs.chromium.org/p/skia/issues/detail?id=4863)