rename portable_typeface_always to portable_typeface

TBR=reed@google.com

Review URL: https://codereview.chromium.org/1257773002
diff --git a/gm/lighting.cpp b/gm/lighting.cpp
index 345e11e..6df5851 100644
--- a/gm/lighting.cpp
+++ b/gm/lighting.cpp
@@ -33,7 +33,7 @@
         canvas.clear(0x00000000);
         SkPaint paint;
         paint.setAntiAlias(true);
-        sk_tool_utils::set_portable_typeface_always(&paint);
+        sk_tool_utils::set_portable_typeface(&paint);
         paint.setColor(0xFFFFFFFF);
         paint.setTextSize(SkIntToScalar(96));
         const char* str = "e";