rename portable_typeface_always to portable_typeface

TBR=reed@google.com

Review URL: https://codereview.chromium.org/1257773002
diff --git a/gm/downsamplebitmap.cpp b/gm/downsamplebitmap.cpp
index bb47368..4aceef9 100644
--- a/gm/downsamplebitmap.cpp
+++ b/gm/downsamplebitmap.cpp
@@ -31,7 +31,7 @@
 }
 
 static void setTypeface(SkPaint* paint, const char name[], SkTypeface::Style style) {
-    sk_tool_utils::set_portable_typeface_always(paint, name, style);
+    sk_tool_utils::set_portable_typeface(paint, name, style);
 }
 
 class DownsampleBitmapGM : public skiagm::GM {