Multiprocess test client: Android child process launcher rework.

base/test/run_all_base_unittests.cc

 // 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/bind.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
+#include "base/test/android/android_main_function_thunk.h"
 #include "base/test/android/test_system_message_handler_link_android.h"
+
+int main(int argc, char** argv);
+namespace {
+base::android::AndroidMainFunctionThunk main_thunk(&main);
+}
 #endif  // defined(OS_ANDROID)
 
 int main(int argc, char** argv) {
 #if defined(OS_ANDROID)
   base::android::TestSystemMessageHandlerLink::RegisterJNI(
       base::android::AttachCurrentThread());
 #endif  // defined(OS_ANDROID)
 
   base::TestSuite test_suite(argc, argv);
   return base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
 }