msvs: Make sure stdout/stderr from rule commands get logged

test/msvs/rules_stdout_stderr/rule_stderr.py

Index: test/msvs/rules_stdout_stderr/rule_stderr.py
diff --git a/test/compiler-override/my_cxx.py b/test/msvs/rules_stdout_stderr/rule_stderr.py
old mode 100755
new mode 100644
similarity index 57%
copy from test/compiler-override/my_cxx.py
copy to test/msvs/rules_stdout_stderr/rule_stderr.py
index e2f0bdd51c7c55a4aadbb2206e4d5911b23b12a2..f4860624f3daef32a3aae72b3570700643f2857e
--- a/test/compiler-override/my_cxx.py
+++ b/test/msvs/rules_stdout_stderr/rule_stderr.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
-# Copyright (c) 2012 Google Inc. All rights reserved.
+# Copyright (c) 2015 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
+
 import sys
-print sys.argv
+print >>sys.stderr, "This will go to stderr"