TensorFlow: update google/protobuf to newest commit that

Vijay Vasudevan · Vijay Vasudevan · commit 40d0d2904e8e · 2015-12-04T16:15:23.000-08:00
supports python3
diff --git a/google/protobuf b/google/protobuf
@@ -1 +1 @@
-Subproject commit dbc91e979726573960374279653fc8ccc28dcc5f
+Subproject commit 01e00d251bdc073b085d299b9e11a8d2fc5207dd
