Change option label from "Duplex" to "Two-sided"

    <string name="label_color">Color</string>

    <!-- Label of the duplex mode widget. [CHAR LIMIT=20] -->

    <string name="label_duplex">Duplex</string>

    <string name="label_duplex">Two-sided</string>

    <!-- Label of the orientation widget. [CHAR LIMIT=20] -->

    <string name="label_orientation">Orientation</string>