Start on GM to verify removal of 32767 limit in SkBlurMaskFilter::filterRectsToNine is okay

src/effects/SkBlurMaskFilter.cpp

Index: src/effects/SkBlurMaskFilter.cpp
===================================================================
--- src/effects/SkBlurMaskFilter.cpp	(revision 12175)
+++ src/effects/SkBlurMaskFilter.cpp	(working copy)
@@ -214,7 +214,8 @@
 
     // TODO: report correct metrics for innerstyle, where we do not grow the
     // total bounds, but we do need an inset the size of our blur-radius
-    if (SkBlurMaskFilter::kInner_BlurStyle == fBlurStyle) {
+    if (SkBlurMaskFilter::kInner_BlurStyle == fBlurStyle ||
+        SkBlurMaskFilter::kOuter_BlurStyle == fBlurStyle) {
         return kUnimplemented_FilterReturn;
     }