code: @Override
      public int getOffset(int era, int year, int month, int day, int dayOfWeek, int milliseconds) {
          return javatz.getOffset(era, year, month, day, dayOfWeek, milliseconds);
      }
docs: /* (non-Javadoc)
  @see android.icu.util.TimeZone#getOffset(int, int, int, int, int, int)