code: static public String getDisplayName(Locale objectLocale, Locale displayLocale) {
          return getShim().getDisplayName(ULocale.forLocale(objectLocale),
                                          ULocale.forLocale(displayLocale));
      }
docs: <strong>[icu]</strong> Returns the name of the collator for the objectLocale, localized for the
  displayLocale.
  @param objectLocale the locale of the collator
  @param displayLocale the locale for the collator's display name
  @return the display name