Revert of [Android] Refactor the native test wrappers.

testing/android/native_test/native_test_util.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "testing/android/native_test/native_test_util.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 
 namespace testing {
-namespace android {
+namespace native_test_util {
 
 void ParseArgsFromString(const std::string& command_line,
                          std::vector<std::string>* args) {
   base::StringTokenizer tokenizer(command_line, base::kWhitespaceASCII);
   tokenizer.set_quote_chars("\"");
   while (tokenizer.GetNext()) {
     std::string token;
     base::RemoveChars(tokenizer.token(), "\"", &token);
     args->push_back(token);
   }
@@ skipping 15 matching lines @@
 
   argv->resize(argc + 1);
   for (int i = 0; i < argc; ++i) {
     (*argv)[i] = const_cast<char*>(args[i].c_str());
   }
   (*argv)[argc] = NULL;  // argv must be NULL terminated.
 
   return argc;
 }
 
-}  // namespace android
+}  // namespace native_test_util
 }  // namespace testing