Fix NPE of UXR as a result of incorrect initialization.

import android.annotation.Nullable;

import android.app.ActivityManager;

import android.app.ActivityTaskManager;

import android.car.Car;

import android.car.drivingstate.CarDrivingStateEvent;

import android.car.drivingstate.CarUxRestrictionsManager;

import android.content.Context;

import android.graphics.PixelFormat;

import android.graphics.Rect;

                        animateCollapsePanels();

                    }

                });

        Car car = Car.createCar(mContext);

        CarUxRestrictionsManager carUxRestrictionsManager = (CarUxRestrictionsManager)

                car.getCarManager(Car.CAR_UX_RESTRICTION_SERVICE);

        CarNotificationListener carNotificationListener = new CarNotificationListener();

        CarUxRestrictionManagerWrapper carUxRestrictionManagerWrapper =

                new CarUxRestrictionManagerWrapper();

        carUxRestrictionManagerWrapper.setCarUxRestrictionsManager(carUxRestrictionsManager);

        NotificationDataManager notificationDataManager = new NotificationDataManager();

        CarHeadsUpNotificationManager carHeadsUpNotificationManager =

                new CarSystemUIHeadsUpNotificationManager(mContext, clickHandlerFactory,