Simplified punctuation on lock screen.

    <!-- When the lock screen is showing and the phone plugged in, and the battery

         is not fully charged, show the current charge %.  -->

    <string name="lockscreen_plugged_in">Charging (<xliff:g id="number">%d</xliff:g><xliff:g id="percent">%%</xliff:g>)</string>

    <string name="lockscreen_plugged_in">Charging, <xliff:g id="number">%d</xliff:g><xliff:g id="percent">%%</xliff:g></string>

    <!-- When the lock screen is showing, the phone is plugged in and the battery is fully

         charged, say that it is charged. -->

    <string name="lockscreen_charged">Charged.</string>