Fix calling package for app ops

     *               LISTEN_ flags.

     */

    public void listen(PhoneStateListener listener, int events) {

        String pkgForDebug = mContext != null ? mContext.getPackageName() : "<unknown>";

        if (mContext == null) return;

        try {

            Boolean notifyNow = (getITelephony() != null);

            sRegistry.listenForSubscriber(listener.mSubId, pkgForDebug, listener.callback, events, notifyNow);

            sRegistry.listenForSubscriber(listener.mSubId, mContext.getOpPackageName(),

                    listener.callback, events, notifyNow);

        } catch (RemoteException ex) {

            // system process dead

        } catch (NullPointerException ex) {