South Sudan not included in Locale

A DESCRIPTION OF THE REQUEST :
In the Locale class docs it refers that it uses the ISO-3166 to define the 2 letter Country Code.
But SS is not known to java.util.Locale while it is part of ISO-3166
http://www.iso.org/iso/support/country_codes/iso_3166_code_lists/iso-3166-1_decoding_table.htm#SS

JUSTIFICATION :
Please add South Sudan like described in the ISO-3166 standard