Merge ""% used" instead of "% full" in storage donut." into oc-dev

    <!-- Summary of a single storage volume total space. [CHAR LIMIT=48]-->

    <string name="storage_volume_total">Used of <xliff:g id="total" example="32GB">%1$s</xliff:g></string>

    <!-- Follows the percent of storage used by a storage volume. Exposed inside of a donut graph. [CHAR LIMIT=7]-->

    <string name="storage_percent_full">full</string>

    <string name="storage_percent_full">used</string>

    <!-- Label for button allow user to remove the instant app from the device. -->