code: static public String getDisplayName(ULocale objectLocale) {
          return getShim().getDisplayName(objectLocale, ULocale.getDefault(Category.DISPLAY));
      }
docs: <strong>[icu]</strong> Returns the name of the collator for the objectLocale, localized for the
  default <code>DISPLAY</code> locale.
  @param objectLocale the locale of the collator
  @return the display name
  @see android.icu.util.ULocale.Category#DISPLAY