rename portable_typeface_always to portable_typeface

TBR=reed@google.com

Review URL: https://codereview.chromium.org/1257773002
diff --git a/gm/bitmapfilters.cpp b/gm/bitmapfilters.cpp
index 11f93c9..aeb88d6 100644
--- a/gm/bitmapfilters.cpp
+++ b/gm/bitmapfilters.cpp
@@ -53,7 +53,7 @@
     const int scale = 32;
 
     paint.setAntiAlias(true);
-    sk_tool_utils::set_portable_typeface_always(&paint);
+    sk_tool_utils::set_portable_typeface(&paint);
     const char* name = sk_tool_utils::colortype_name(bm.colorType());
     canvas->drawText(name, strlen(name), x, SkIntToScalar(bm.height())*scale*5/8,
                      paint);