Multiprocess test client: Android child process launcher rework.

base/test/main_stub.cc

Index: base/test/main_stub.cc
diff --git a/base/test/main_stub.cc b/base/test/main_stub.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c4bcb1a8684cfaac1f9017f94d1418ffbce5a223
--- /dev/null
+++ b/base/test/main_stub.cc
@@ -0,0 +1,12 @@
+// Copyright 2016 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 "base/logging.h"
+
+int main(int argc, char** argv) {
+  // This is used so we can link with base:test_support even for components that
+  // don't have a main function.
+  NOTREACHED();
+  return 1;
+}