Add IMS settings to Network setting reset

Add the factory reset function to be used to reset IMS settings

BUG=25300757
Change-Id: I78d2e919418b7a0b42f56af3442d7d98afe40d77
diff --git a/src/com/android/settings/ResetNetworkConfirm.java b/src/com/android/settings/ResetNetworkConfirm.java
index db4b9a5..df708b9 100644
--- a/src/com/android/settings/ResetNetworkConfirm.java
+++ b/src/com/android/settings/ResetNetworkConfirm.java
@@ -34,6 +34,7 @@
 import android.widget.Spinner;
 import android.widget.Toast;
 
+import com.android.ims.ImsManager;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.telephony.PhoneConstants;
 
@@ -100,6 +101,8 @@
                 btManager.getAdapter().factoryReset();
             }
 
+            ImsManager.factoryReset(context);
+
             Toast.makeText(context, R.string.reset_network_complete_toast, Toast.LENGTH_SHORT)
                     .show();
         }