This changes makes the initial, default language set and the #setLanguage call with the default language as input exactly the same. Previously, the requests made after the initial default language set were missing the name of the default voice. + Some tests clean-up. Some of them fail due to issues with Locale#toLanguageTag upper-casing the variant field. Change-Id: I5470617007fe45462b7198bf62a03eb5fe47a590