Listen wifi entry change to make sure UI correct.

Bug: 319905522
Test: make pass.
Test: atest pass.
Change-Id: I0900caf6521bd9a250e85863f48e39668734f1be

src/com/android/settings/network/NetworkProviderSettings.java

@@ -477,10 +477,6 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
             mOpenSsid = intent.getStringExtra(EXTRA_START_CONNECT_SSID);
         }
 
-        if (mNetworkMobileProviderController != null) {
-            mNetworkMobileProviderController.setWifiPickerTrackerHelper(mWifiPickerTrackerHelper);
-        }
-
         requireActivity().addMenuProvider(mMenuProvider);
     }