l10n for 4836940: RFE: tzdata2003a support

From 4836940:

To L10N team:
  Please update sun/text/resources/DateFormatZoneData*.java if necessary.

  1. A new TimeZone ID was added.
       {"Antarctica/Rothera", new String[] {"Rothera Time", "ROTT",
                                            "Rothera Summer Time", "ROTST"}},

  2. The following display names were modified.
       From:
         String IRT[] = new String[] {"Iran Time", "IRT",
                                      "Iran Sumer Time", "IRST"};
       To:
         String IRT[] = new String[] {"Iran Standard Time", "IRST",
                                      "Iran Daylight Time", "IRDT"};
###@###.### 2003-04-02