Roll Dart SDK from 125606d51e62 to 2e5ada685fa7 (1 revision) (#25348)

DEPS

@@ -35,7 +35,7 @@ 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': '125606d51e627d0c034529688a9125004a4ca82a',
+  'dart_revision': '2e5ada685fa7b35ee5c42c9c3a0dfb982bbf4880',
 
   # 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: 82245c553ddb6efe24dbfc49a0a05e4c
+Signature: 08a19b3aaeca46d21b5b927fc6d8bd20
 
 UNUSED LICENSES: