Change the way the browser detects connectivity changes.

Fix b: 2454643
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 1e83bf0..52a3125 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -312,17 +312,15 @@
                 public void onReceive(Context context, Intent intent) {
                     if (intent.getAction().equals(
                             ConnectivityManager.CONNECTIVITY_ACTION)) {
-                        boolean noConnectivity = intent.getBooleanExtra(
-                                ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);
-                        if (!noConnectivity) {
-                            NetworkInfo info = intent.getParcelableExtra(
-                                    ConnectivityManager.EXTRA_NETWORK_INFO);
-                            String typeName = info.getTypeName();
-                            String subtypeName = info.getSubtypeName();
-                            sendNetworkType(typeName.toLowerCase(),
-                                    (subtypeName != null ? subtypeName.toLowerCase() : ""));
-                        }
-                        onNetworkToggle(!noConnectivity);
+
+                        NetworkInfo info = intent.getParcelableExtra(
+                                ConnectivityManager.EXTRA_NETWORK_INFO);
+                        String typeName = info.getTypeName();
+                        String subtypeName = info.getSubtypeName();
+                        sendNetworkType(typeName.toLowerCase(),
+                                (subtypeName != null ? subtypeName.toLowerCase() : ""));
+
+                        onNetworkToggle(info.isAvailable());
                     }
                 }
             };