Updated string.

    <string name="face_acquired_roll_too_extreme">Turn your head a little less.</string>

    <!-- Message shown during acquisition when the user's face is obscured [CHAR LIMIT=50] -->

    <string name="face_acquired_obscured">Remove anything hiding your face.</string>

    <!-- Message shown during acquisition when the sensor is dirty [CHAR LIMIT=50] -->

    <string name="face_acquired_sensor_dirty">Clean the sensor at the top edge of the screen.</string>

    <!-- Message shown during acquisition when the sensor is dirty [CHAR LIMIT=100] -->

    <string name="face_acquired_sensor_dirty">Clean the top of your screen, including the black bar</string>

    <!-- Array containing custom messages shown during face acquisition from vendor.  Vendor is expected to add and translate these strings -->

    <string-array name="face_acquired_vendor">

    </string-array>