rename portable_typeface_always to portable_typeface

TBR=reed@google.com

Review URL: https://codereview.chromium.org/1257773002
diff --git a/gm/textblobcolortrans.cpp b/gm/textblobcolortrans.cpp
index b677681..8b5413a 100644
--- a/gm/textblobcolortrans.cpp
+++ b/gm/textblobcolortrans.cpp
@@ -31,7 +31,7 @@
         SkPaint paint;
         paint.setTextSize(256);
         const char* text = "AB";
-        sk_tool_utils::set_portable_typeface_always(&paint);
+        sk_tool_utils::set_portable_typeface(&paint);
 
         SkRect bounds;
         paint.measureText(text, strlen(text), &bounds);