updateLocaleTerritories({territories: mTerritories}, sLocale) {
		// use preferred translations
		mTerritories.HK = mTerritories["HK-alt-short"];
		mTerritories.MO = mTerritories["MO-alt-short"];

		// apply custom territories
		Object.assign(mTerritories, this.mCustomTerritories[sLocale]);

		// cache relevant territories
		this.cacheLocaleTerritories(mTerritories, sLocale);
	}
Overwrites the locale territories with improved translations.

@param {object} oData
  The generated CLDR data
@param {Object<string,string>} oData.territories
  The territories map
@param {string} sLocale
  The locale