Add SkColorSpace to GrDrawContext

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2164363002

Review-Url: https://codereview.chromium.org/2164363002
diff --git a/tests/SpecialSurfaceTest.cpp b/tests/SpecialSurfaceTest.cpp
index 2bb1005..a0ec317 100644
--- a/tests/SpecialSurfaceTest.cpp
+++ b/tests/SpecialSurfaceTest.cpp
@@ -81,7 +81,8 @@
 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialSurface_Gpu1, reporter, ctxInfo) {
     sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeRenderTarget(ctxInfo.grContext(),
                                                                     kSmallerSize, kSmallerSize,
-                                                                    kSkia8888_GrPixelConfig));
+                                                                    kSkia8888_GrPixelConfig,
+                                                                    nullptr));
 
     test_surface(surf, reporter, 0);
 }