add portable and canonical font support for DM

gm/cubicpaths.cpp

Index: gm/cubicpaths.cpp
diff --git a/gm/cubicpaths.cpp b/gm/cubicpaths.cpp
index 68d143df603bd9e573e5d00187eb308d3f3404a3..f171522caa69dee4c5461d1c8075cb68867d06b1 100644
--- a/gm/cubicpaths.cpp
+++ b/gm/cubicpaths.cpp
@@ -280,6 +280,7 @@ protected:
         SkPaint titlePaint;
         titlePaint.setColor(SK_ColorBLACK);
         titlePaint.setAntiAlias(true);
+        sk_tool_utils::set_portable_typeface(&titlePaint);
         titlePaint.setLCDRenderText(true);
         titlePaint.setTextSize(15 * SK_Scalar1);
         const char title[] = "Cubic Closed Drawn Into Rectangle Clips With "
@@ -324,6 +325,7 @@ protected:
                     SkPaint labelPaint;
                     labelPaint.setColor(color);
                     labelPaint.setAntiAlias(true);
+                    sk_tool_utils::set_portable_typeface(&labelPaint);
                     labelPaint.setLCDRenderText(true);
                     labelPaint.setTextSize(10 * SK_Scalar1);
                     canvas->drawText(gStyles[style].fName,