Add Cronet Test App that uses libcronet_tests.so with net test utilities.

components/cronet/android/cronet_loader.h

Index: components/cronet/android/cronet_loader.h
diff --git a/components/cronet/android/cronet_loader.h b/components/cronet/android/cronet_loader.h
new file mode 100644
index 0000000000000000000000000000000000000000..478576385b33244221029ecf3a4e37ac7cea6bb8
--- /dev/null
+++ b/components/cronet/android/cronet_loader.h
@@ -0,0 +1,17 @@
+// Copyright 2014 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 COMPONENTS_CRONET_ANDROID_CRONET_LOADER_H_
+#define COMPONENTS_CRONET_ANDROID_CRONET_LOADER_H_
+
+#include <jni.h>
+
+namespace cronet {
+
+jint CronetOnLoad(JavaVM* vm, void* reserved);
+void CronetOnUnLoad(JavaVM* jvm, void* reserved);
+
+}  // namespace cronet
+
+#endif  // COMPONENTS_CRONET_ANDROID_CRONET_LOADER_H_