Multiprocess test client: Android child process launcher rework.

base/test/android/multiprocess_test_client_service.h

+// 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.
+
+#ifndef BASE_TEST_ANDROID_MULTIPROCESS_TEST_CLIENT_SERVICE_H
+#define BASE_TEST_ANDROID_MULTIPROCESS_TEST_CLIENT_SERVICE_H
+
+#include "base/android/jni_android.h"
+
+namespace base {
+namespace android {
+
+bool RegisterMultiprocessTestClientServiceJni(JNIEnv* env);
+
+}  // namespace android
+}  // namespace base
+
+#endif  // BASE_TEST_ANDROID_MULTIPROCESS_TEST_CLIENT_SERVICE_H