use platform-independent font for gm

gm/cubicpaths.cpp

Index: gm/cubicpaths.cpp
diff --git a/gm/cubicpaths.cpp b/gm/cubicpaths.cpp
index 39417010c1192d8b55185ede320316764d11cf93..68d143df603bd9e573e5d00187eb308d3f3404a3 100644
--- a/gm/cubicpaths.cpp
+++ b/gm/cubicpaths.cpp
@@ -130,6 +130,7 @@ 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 Drawn Into Rectangle Clips With "
@@ -174,6 +175,7 @@ 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,