code: @Override
      public String getMetaZoneDisplayName(String mzID, NameType type) {
          if (mzID == null || mzID.length() == 0) {
              return null;
          }
          return loadMetaZoneNames(mzID).getName(type);
      }
docs: /*
  (non-Javadoc)
  @see android.icu.text.TimeZoneNames#getMetaZoneDisplayName(java.lang.String, android.icu.text.TimeZoneNames.NameType)