Update Intl date and number formatting to CLDR 25.

pkg/intl/lib/src/data/dates/locale_list.dart

Index: pkg/intl/lib/src/data/dates/locale_list.dart
diff --git a/pkg/intl/lib/src/data/dates/locale_list.dart b/pkg/intl/lib/src/data/dates/locale_list.dart
index 0e74f649bda71cd06231be72daea1cbcc0370641..bc7e9e6cfbcc79f3bec4963f619fd997a2681d6c 100644
--- a/pkg/intl/lib/src/data/dates/locale_list.dart
+++ b/pkg/intl/lib/src/data/dates/locale_list.dart
@@ -2,17 +2,19 @@
 // for details. All rights reserved. Use of this sourcecode is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library intl.locale_list;
-
 /// Hard-coded list of all available locales for dates.
-const availableLocalesForDateFormatting = const ["en_ISO",
+final availableLocalesForDateFormatting = const ["en_ISO",
     "af",
     "am",
     "ar",
+    "az",
     "bg",
     "bn",
+    "br",
     "ca",
+    "chr",
     "cs",
+    "cy",
     "da",
     "de",
     "de_AT",
@@ -28,6 +30,7 @@ const availableLocalesForDateFormatting = const ["en_ISO",
     "en_ZA",
     "es",
     "es_419",
+    "es_ES",
     "et",
     "eu",
     "fa",
@@ -38,34 +41,49 @@ const availableLocalesForDateFormatting = const ["en_ISO",
     "gl",
     "gsw",
     "gu",
+    "haw",
     "he",
     "hi",
     "hr",
     "hu",
+    "hy",
     "id",
     "in",
     "is",
     "it",
     "iw",
     "ja",
+    "ka",
+    "kk",
+    "km",
     "kn",
     "ko",
+    "ky",
     "ln",
+    "lo",
     "lt",
     "lv",
+    "mk",
     "ml",
+    "mn",
     "mr",
     "ms",
     "mt",
+    "my",
+    "nb",
+    "ne",
     "nl",
     "no",
+    "no_NO",
     "or",
+    "pa",
     "pl",
     "pt",
     "pt_BR",
     "pt_PT",
     "ro",
     "ru",
+    "si",
     "sk",
     "sl",
     "sq",
@@ -79,9 +97,10 @@ const availableLocalesForDateFormatting = const ["en_ISO",
     "tr",
     "uk",
     "ur",
+    "uz",
     "vi",
     "zh",
     "zh_CN",
     "zh_HK",
     "zh_TW",
-    "zu"];
+    "zu"];