Bug 25741: TBA: Disable GeckoNetworkManager

The browser should not need information related to the network
interface or network state, tor should take care of that.

mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoRuntime.java

@@ -161,7 +161,12 @@ public final class GeckoRuntime implements Parcelable {
       mPaused = false;
       // Monitor network status and send change notifications to Gecko
       // while active.
+      if (!BuildConfig.TOR_BROWSER) {
         GeckoNetworkManager.getInstance().start(GeckoAppShell.getApplicationContext());
+      } else {
+        Log.d(LOGTAG, "Tor Browser: skip GeckoNetworkManager startup"); 
+      }
+
     }
 
     @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
@@ -169,7 +174,9 @@ public final class GeckoRuntime implements Parcelable {
       Log.d(LOGTAG, "Lifecycle: onPause");
       mPaused = true;
       // Stop monitoring network status while inactive.
+      if (!BuildConfig.TOR_BROWSER) {
         GeckoNetworkManager.getInstance().stop();
+      }
       GeckoThread.onPause();
     }
   }