2D kernel initial wiring for Guassian

src/effects/SkMatrixConvolutionImageFilter.cpp

Index: src/effects/SkMatrixConvolutionImageFilter.cpp
diff --git a/src/effects/SkMatrixConvolutionImageFilter.cpp b/src/effects/SkMatrixConvolutionImageFilter.cpp
index f1017203bf8d66806f1b9231f0df3663c4111221..94c842855c20c6dcf9dc5c7286e2b63dd87e1a6d 100644
--- a/src/effects/SkMatrixConvolutionImageFilter.cpp
+++ b/src/effects/SkMatrixConvolutionImageFilter.cpp
@@ -349,7 +349,8 @@ bool SkMatrixConvolutionImageFilter::asNewEffect(GrEffect** effect,
                                                 fBias,
                                                 fKernelOffset,
                                                 convert_tilemodes(fTileMode),
-                                                fConvolveAlpha);
+                                                fConvolveAlpha,
+                                                true);
     return true;
 }
 #endif