Increase light sensor delay from one to two seconds.

    private static final int LONG_DIM_TIME = 7000;              // t+N-5 sec

    // How long to wait to debounce light sensor changes.

    private static final int LIGHT_SENSOR_DELAY = 1000;

    private static final int LIGHT_SENSOR_DELAY = 2000;

    // For debouncing the proximity sensor.

    private static final int PROXIMITY_SENSOR_DELAY = 1000;