Support the new voices.

android/eSpeakTests/src/com/reecedunn/espeak/test/VoiceData.java

         new Voice("af",          "other/af",     "af",  "afr", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Afrikaans",                        "af",             "Hierdie is 'n voorbeeld van gesproke teks in Afrikaans"),
         new Voice("am",          "test/am",      "am",  "amh", "",    "",    "",         SpeechSynthesis.GENDER_UNSPECIFIED, "Amharic",                          "am",             "ይሄ በአማርኛ ላይ የተነገረ ጽሑፍ ናሙና ነው።"),
         new Voice("an",          "europe/an",    "an",  "arg", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Aragonese",                        "an",             "This is a sample of text spoken in Aragonese"),
+        new Voice("az",          "test/az",      "az",  "aze", "",    "",    "",         SpeechSynthesis.GENDER_UNSPECIFIED, "Azerbaijani",                      "az",             "This is a sample of text spoken in Azerbaijani"),
         new Voice("bg",          "europe/bg",    "bg",  "bul", "",    "",    "",         SpeechSynthesis.GENDER_UNSPECIFIED, "Bulgarian",                        "bg",             "Това е откъс от изговорен текст на български"),
         new Voice("bn",          "test/bn",      "bn",  "ben", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Bengali",                          "bn",             "This is a sample of text spoken in Bengali"),
         new Voice("bs",          "europe/bs",    "bs",  "bos", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Bosnian",                          "bs",             "This is a sample of text spoken in Bosnian"),
         new Voice("ka",          "asia/ka",      "ka",  "kat", "",    "",    "",         SpeechSynthesis.GENDER_UNSPECIFIED, "Georgian",                         "ka",             "This is a sample of text spoken in Georgian"),
         new Voice("kl",          "test/kl",      "kl",  "kal", "",    "",    "",         SpeechSynthesis.GENDER_UNSPECIFIED, "Greenlandic",                      "kl",             "This is a sample of text spoken in Kalaallisut"),
         new Voice("kn",          "asia/kn",      "kn",  "kan", "",    "",    "",         SpeechSynthesis.GENDER_UNSPECIFIED, "Kannada",                          "kn",             "This is a sample of text spoken in Kannada"),
-        new Voice("ko",          "test/ko",      "ko",  "kor", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Korean",                           "ko",             "한국어로 읽은 텍스트 샘플입니다."),
+        new Voice("ko",          "asia/ko",      "ko",  "kor", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Korean",                           "ko",             "한국어로 읽은 텍스트 샘플입니다."),
         new Voice("ku",          "asia/ku",      "ku",  "kur", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Kurdish",                          "ku",             "This is a sample of text spoken in Kurdish"),
         new Voice("la",          "other/la",     "la",  "lat", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Latin",                            "la",             "This is a sample of text spoken in Latin"),
         new Voice("lt",          "europe/lt",    "lt",  "lit", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Lithuanian",                       "lt",             "Tai teksto, sakomo lietuvių, pavyzdys"),
         new Voice("ur",          "test/ur",      "ur",  "urd", "",    "",    "",         SpeechSynthesis.GENDER_UNSPECIFIED, "Urdu",                             "ur",             "This is a sample of text spoken in Urdu"),
         new Voice("vi",          "asia/vi",      "vi",  "vie", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Vietnamese",                       "vi",             "Đây là mẫu văn bản được đọc bằng Tiếng Việt"),
         new Voice("vi-hue",      "asia/vi-hue",  "vi",  "vie", "",    "",    "hue",      SpeechSynthesis.GENDER_MALE,        "Vietnamese",                       "vi--hue",        "Đây là mẫu văn bản được đọc bằng Tiếng Việt (HUE)"),
+        new Voice("vi-sgn",      "asia/vi-sgn",  "vi",  "vie", "",    "",    "saigon",   SpeechSynthesis.GENDER_MALE,        "Vietnamese",                       "vi--saigon",     "Đây là mẫu văn bản được đọc bằng Tiếng Việt (SAIGON)"),
         new Voice("zh",          "asia/zh",      "zh",  "zho", "",    "",    "",         SpeechSynthesis.GENDER_MALE,        "Chinese (Mandarin)",               "zh",             "This is a sample of text spoken in 中文"),
         new Voice("zh-yue",      "asia/zh-yue",  "zh",  "zho", "HK",  "HKG", "",         SpeechSynthesis.GENDER_MALE,        "Chinese (Cantonese)",              "zh-HK",          "This is a sample of text spoken in 中文 (中華人民共和國香港特別行政區)"),
     };

android/src/com/reecedunn/espeak/SpeechSynthesis.java

                 // 'west' is not a country code.
                 locale = new Locale("hy", "", "arevmda");
             } else if (name.equals("vi-hue")) {
-                // 'hue' is not a country code, so treat it as a variant code.
+                // 'hue' is for the Hue Province accent/dialect (Central Vietnamese).
                 locale = new Locale("vi", "", "hue");
+            } else if (name.equals("vi-sgn")) {
+                // 'sgn' is for the Saigon accent/dialect (South Vietnamese).
+                locale = new Locale("vi", "", "saigon");
             } else if (name.equals("zh-yue")) {
                 // Android/Java does not support macrolanguages.
                 locale = new Locale("zh", "HK");