Roll Dart SDK from 9c89ce329247 to 2eab25e4b239 (1 revision) (#21574)

DEPS

@@ -34,7 +34,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '9c89ce329247f57fa3c0d978d13d08b9655f2917',
+  'dart_revision': '2eab25e4b239d6a028eaea0cf71c3c6a847c2f47',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_third_party

-Signature: 817edaad792668c12084853893cbe3b5
+Signature: c97a4c15476abb9148b651be445c3846
 
 UNUSED LICENSES: