Enable the screenspace AA tessellating path renderer.

src/gpu/batches/GrTessellatingPathRenderer.cpp

Index: src/gpu/batches/GrTessellatingPathRenderer.cpp
diff --git a/src/gpu/batches/GrTessellatingPathRenderer.cpp b/src/gpu/batches/GrTessellatingPathRenderer.cpp
index 541254530880a96b2b8cf4248c7217309f172a43..7db5f2a41f76d3df5c535539ed748c2dcd610cc8 100644
--- a/src/gpu/batches/GrTessellatingPathRenderer.cpp
+++ b/src/gpu/batches/GrTessellatingPathRenderer.cpp
@@ -25,8 +25,6 @@
 
 #include <stdio.h>
 
-#define SK_DISABLE_SCREENSPACE_TESS_AA_PATH_RENDERER
-
 /*
  * This path renderer tessellates the path into triangles using GrTessellator, uploads the
  * triangles to a vertex buffer, and renders them with a single draw call. It can do screenspace