wifi: Add WifiRttController object

Create the WifiRttController object and add the createRttController
method in WifiChip.

Bug: 31991232
Test: Compiles
Change-Id: I34649097c96488c660bef5acceac1a6478f80dca
diff --git a/wifi/1.0/default/wifi_rtt_controller.h b/wifi/1.0/default/wifi_rtt_controller.h
new file mode 100644
index 0000000..8d78b93
--- /dev/null
+++ b/wifi/1.0/default/wifi_rtt_controller.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2016 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 WIFI_RTT_CONTROLLER_H_
+#define WIFI_RTT_CONTROLLER_H_
+
+#include <android-base/macros.h>
+#include <android/hardware/wifi/1.0/IWifiIface.h>
+#include <android/hardware/wifi/1.0/IWifiRttController.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+/**
+ * HIDL interface object used to control all RTT operations.
+ */
+class WifiRttController : public IWifiRttController {
+ public:
+  WifiRttController(const sp<IWifiIface>& bound_iface,
+                    const std::weak_ptr<WifiLegacyHal> legacy_hal);
+  // Refer to |WifiChip::invalidate()|.
+  void invalidate();
+
+  // HIDL methods exposed.
+  Return<void> getBoundIface(getBoundIface_cb cb) override;
+
+ private:
+  sp<IWifiIface> bound_iface_;
+  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  bool is_valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiRttController);
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // WIFI_RTT_CONTROLLER_H_