Roll Dart SDK from e9a03fd98faa to 5acaa5f14b03 (1 revision) (#22810)

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': 'e9a03fd98faab291d439f4a2ebfc307830ce99b3',
+  'dart_revision': '5acaa5f14b03a1d3711c91bc4ee9a24f3e21a299',
 
   # 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: 812588dc47538028e0c244e958abbfdb
+Signature: c1012bf0b8370977d0de2888292a72b2
 
 UNUSED LICENSES: