rename portable_typeface_always to portable_typeface

TBR=reed@google.com

Review URL: https://codereview.chromium.org/1257773002
diff --git a/gm/textblobuseaftergpufree.cpp b/gm/textblobuseaftergpufree.cpp
index b949fad..3994c5d 100644
--- a/gm/textblobuseaftergpufree.cpp
+++ b/gm/textblobuseaftergpufree.cpp
@@ -39,7 +39,7 @@
         const char text[] = "Hamburgefons";
 
         SkPaint paint;
-        sk_tool_utils::set_portable_typeface_always(&paint);
+        sk_tool_utils::set_portable_typeface(&paint);
         paint.setAntiAlias(true);
         paint.setTextSize(20);