Add string for no boot.art notification

    <string name="low_internal_storage_view_title">Storage space running out</string>

    <!-- If the device is getting low on internal storage, a notification is shown to the user.  This is the message of that notification. -->

    <string name="low_internal_storage_view_text">Some system functions may not work</string>

    <!-- If the device does not have storage for the main system classes, a notification is shown to the user.  This is the message of that notification. -->

    <string name="low_internal_storage_view_text_no_boot">Not enough storage for the system. Make sure you have 250MB of free space and restart.</string>

    <!-- [CHAR LIMIT=NONE] Stub notification title for an app running a service that has provided

         a bad bad notification for itself. -->