Use SkGraphics::Init to output to stdout (Android)

include/core/SkGraphics.h

Index: include/core/SkGraphics.h
diff --git a/include/core/SkGraphics.h b/include/core/SkGraphics.h
index b2fc3658350e51204403c7cbc27b7bc5528b847a..6eecd0d2bb4ca543da62988a08abf9106d9c41bd 100644
--- a/include/core/SkGraphics.h
+++ b/include/core/SkGraphics.h
@@ -16,6 +16,8 @@ public:
      *  Call this at process initialization time if your environment does not
      *  permit static global initializers that execute code. Note that
      *  Init() is not thread-safe.
+     *
+     *  On Android, sends output to stdout in addition to logcat.

[scroggo, 2014/12/10 17:05:59]

Downside to this approach is that if someone is using SkGraphics::Init() but
they do *not* want stdout on Android, they are stuck with it.

      */
     static void Init();