reenabled GrAALinearizingConvexPathRenderer, but only for stroked paths

Review URL: https://codereview.chromium.org/1237693002
diff --git a/src/gpu/GrAddPathRenderers_default.cpp b/src/gpu/GrAddPathRenderers_default.cpp
index 6a68e1f..963bbb9 100644
--- a/src/gpu/GrAddPathRenderers_default.cpp
+++ b/src/gpu/GrAddPathRenderers_default.cpp
@@ -34,7 +34,7 @@
     if (GrPathRenderer* pr = GrAAHairLinePathRenderer::Create()) {
         chain->addPathRenderer(pr)->unref();
     }
-//    chain->addPathRenderer(SkNEW(GrAALinearizingConvexPathRenderer))->unref();
     chain->addPathRenderer(SkNEW(GrAAConvexPathRenderer))->unref();
+    chain->addPathRenderer(SkNEW(GrAALinearizingConvexPathRenderer))->unref();
     chain->addPathRenderer(SkNEW_ARGS(GrAADistanceFieldPathRenderer, (ctx)))->unref();
 }