netd: HAL implmentation

Implement Netd HAL server and register service.
OEM network create and destroy

Test: ran VtsHalNetNetdV1_0TargetTest, netd_unit_test, netd_integration_test
Bug: 36682246
CRs-fixed: 2070022
Change-Id: I35681f0fbffbe09bf6db0ad25a276844ea997398
(cherry picked from commit 9560bedd6ce334d64d4e9e9331d00f90f5103e0e)
diff --git a/server/NetdHwService.h b/server/NetdHwService.h
new file mode 100644
index 0000000..f938dd6
--- /dev/null
+++ b/server/NetdHwService.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2017 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 ANDROID_NET_HW_SERVICE_H
+#define ANDROID_NET_HW_SERVICE_H
+
+#include <android/system/net/netd/1.0/INetd.h>
+
+using android::hardware::Return;
+using android::system::net::netd::V1_0::INetd;
+
+namespace android {
+namespace net {
+
+class NetdHwService : public INetd {
+public:
+    status_t start();
+    Return<void> createOemNetwork(createOemNetwork_cb _hidl_cb) override;
+    Return<INetd::StatusCode> destroyOemNetwork(uint64_t netHandle) override;
+};
+
+}  // namespace net
+}  // namespace android
+
+#endif  // ANDROID_NET_HW_SERVICE_H
+