Get the adapter type information from Android OS.

webrtc/base/network_unittest.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 14 matching lines @@
 
 namespace rtc {
 
 namespace {
 
 class FakeNetworkMonitor : public NetworkMonitorBase {
  public:
   void Start() override { started_ = true; }
   void Stop() override { started_ = false; }
   bool started() { return started_; }
+  AdapterType GetAdapterType(const std::string& if_name) override {
+    return ADAPTER_TYPE_UNKNOWN;
+  }
 
  private:
   bool started_ = false;
 };
 
 class FakeNetworkMonitorFactory : public NetworkMonitorFactory {
  public:
   FakeNetworkMonitorFactory() {}
   NetworkMonitorInterface* CreateNetworkMonitor() override {
     return new FakeNetworkMonitor();
@@ skipping 929 matching lines @@
   manager.set_default_local_addresses(GetLoopbackIP(AF_INET),
                                       GetLoopbackIP(AF_INET6));
   EXPECT_TRUE(manager.GetDefaultLocalAddress(AF_INET, &ip));
   EXPECT_EQ(ip, GetLoopbackIP(AF_INET));
   EXPECT_TRUE(manager.GetDefaultLocalAddress(AF_INET6, &ip));
   EXPECT_EQ(ip, GetLoopbackIP(AF_INET6));
   manager.StopUpdating();
 }
 
 }  // namespace rtc