Roll src/third_party/dart 021fa0fbd410..0f89df0c00e7 (4 commits) (#17438)

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': '021fa0fbd410bd9e211551a1eac4fff516b1b833',
+  'dart_revision': '0f89df0c00e7b09287f369920605785e55179a98',
 
   # 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: 9aaae39f07cf5a82b253818c715c2a75
+Signature: 2e30af9ab4d1fe33bdb65dccaa867377
 
 UNUSED LICENSES: