Improve the curve tessellation subdivision of the path renderers.

src/gpu/GrDefaultPathRenderer.cpp

Index: src/gpu/GrDefaultPathRenderer.cpp
diff --git a/src/gpu/GrDefaultPathRenderer.cpp b/src/gpu/GrDefaultPathRenderer.cpp
index 531b5e5f4a8128cedbb5870410078de2b7b1d00a..65daa7ca892364dc8e2c873898d1f7b67e1811d5 100644
--- a/src/gpu/GrDefaultPathRenderer.cpp
+++ b/src/gpu/GrDefaultPathRenderer.cpp
@@ -658,7 +658,7 @@ bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target,
         }
     }
 
-    SkScalar tol = SK_Scalar1;
+    SkScalar tol = GrPathUtils::kDefaultTolerance;
     SkScalar srcSpaceTol = GrPathUtils::scaleToleranceToSrc(tol, viewMatrix, path.getBounds());
 
     SkRect devBounds;