Adding platform support check for NetworkObserver

net/android/network_change_notifier_android_unittest.cc

Index: net/android/network_change_notifier_android_unittest.cc
diff --git a/net/android/network_change_notifier_android_unittest.cc b/net/android/network_change_notifier_android_unittest.cc
index fdb94ef9dedbfc21ef8eba47d39e65701911105c..bd5df463930d65ff6daea6290c41a0c1cb4913f6 100644
--- a/net/android/network_change_notifier_android_unittest.cc
+++ b/net/android/network_change_notifier_android_unittest.cc
@@ -317,6 +317,10 @@ class NetworkChangeNotifierAndroidTest
         &other_connection_type_observer_);
   }
 
+  void ForceNetworkHandlesSupportedForTesting() {
+    notifier_->ForceNetworkHandlesSupportedForTesting();
+  }
+
   NetworkChangeNotifierObserver connection_type_observer_;
   NetworkChangeNotifierObserver other_connection_type_observer_;
   NetworkChangeNotifier::DisableForTest disable_for_test_;
@@ -387,6 +391,8 @@ TEST_F(NetworkChangeNotifierAndroidTest, InitialSignal) {
 }
 
 TEST_F(NetworkChangeNotifierAndroidTest, NetworkCallbacks) {
+  ForceNetworkHandlesSupportedForTesting();
+
   TestNetworkObserver network_observer;
   NetworkChangeNotifier::AddNetworkObserver(&network_observer);