Mojo: Move public/tests/test_{support,utils}.* to public/{c,cpp}/test_support.

mojo/public/cpp/test_support/lib/test_utils.cc

Index: mojo/public/cpp/test_support/lib/test_utils.cc
diff --git a/mojo/public/tests/test_utils.cc b/mojo/public/cpp/test_support/lib/test_utils.cc
similarity index 96%
rename from mojo/public/tests/test_utils.cc
rename to mojo/public/cpp/test_support/lib/test_utils.cc
index 2e9bc3896f66b95bce35a8ca76b51dc06a778acf..576c70a8bc805ad278f217e39b047a2fdeb259ca 100644
--- a/mojo/public/tests/test_utils.cc
+++ b/mojo/public/cpp/test_support/lib/test_utils.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/public/tests/test_utils.h"
+#include "mojo/public/cpp/test_support/test_utils.h"
 
 #include "mojo/public/cpp/system/core.h"
-#include "mojo/public/tests/test_support.h"
+#include "mojo/public/cpp/test_support/test_support.h"
 
 namespace mojo {
 namespace test {