Add back hook for inserting OEM specific iptables rules.

The functionality was lost during merge in ICS branch.
This patch is adding back OEM iptables hook in netd.

Bug:5862460
Change-Id: I9444b8c53e8b84fea2002c2c1d9ba42e45ae5f0c
diff --git a/oem_iptables_hook.h b/oem_iptables_hook.h
new file mode 100644
index 0000000..f5696ba
--- /dev/null
+++ b/oem_iptables_hook.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _OEM_IPTABLES_HOOK_H
+#define _OEM_IPTABLES_HOOK_H
+
+void setupOemIptablesHook();
+
+#endif