[Android] Add ChromiumNetTestSupport.apk for the java EmbeddedTestServer.

net/test/android/net_test_entry_point.cc

Index: net/test/android/net_test_entry_point.cc
diff --git a/net/test/android/net_test_entry_point.cc b/net/test/android/net_test_entry_point.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c7a2dde0545fc40cc8a2aa6d082d43052d4baf90
--- /dev/null
+++ b/net/test/android/net_test_entry_point.cc
@@ -0,0 +1,14 @@
+// Copyright 2015 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/android/jni_android.h"
+#include "net/test/android/net_test_jni_onload.h"
+
+// This is called by the VM when the shared library is first loaded.
+JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+  if (!net::test::OnJNIOnLoadRegisterJNI(vm) || !net::test::OnJNIOnLoadInit()) {
+    return -1;
+  }
+  return JNI_VERSION_1_4;
+}