[svg] Add support for mask color-interpolation

https://www.w3.org/TR/SVG11/painting.html#ColorInterpolationProperty

Bug: skia:10842
Change-Id: I3e97577ee257c9afe64d924c768c85badbfab07d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/354220
Commit-Queue: Florin Malita <fmalita@google.com>
Reviewed-by: Tyler Denniston <tdenniston@google.com>
diff --git a/modules/svg/src/SkSVGNode.cpp b/modules/svg/src/SkSVGNode.cpp
index f87160c..fd2a4e3 100644
--- a/modules/svg/src/SkSVGNode.cpp
+++ b/modules/svg/src/SkSVGNode.cpp
@@ -91,6 +91,7 @@
     return PARSE_AND_SET(   "clip-path"                  , ClipPath)
            || PARSE_AND_SET("clip-rule"                  , ClipRule)
            || PARSE_AND_SET("color"                      , Color)
+           || PARSE_AND_SET("color-interpolation"        , ColorInterpolation)
            || PARSE_AND_SET("color-interpolation-filters", ColorInterpolationFilters)
            || PARSE_AND_SET("fill"                       , Fill)
            || PARSE_AND_SET("fill-opacity"               , FillOpacity)