Move SkNoncopyable to include/private.

Change-Id: I62f60ea52faeebddecacf03d9429ac3f7c516b8e
Reviewed-on: https://skia-review.googlesource.com/141823
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/tools/Registry.h b/tools/Registry.h
index 6a1e24a..4184e49 100644
--- a/tools/Registry.h
+++ b/tools/Registry.h
@@ -8,6 +8,7 @@
 #ifndef sk_tools_Registry_DEFINED
 #define sk_tools_Registry_DEFINED
 
+#include "SkNoncopyable.h"
 #include "SkTypes.h"
 
 namespace sk_tools {