Roll Dart SDK from f3a9ca88b664 to e59935669cb0 (1 revision) (#21008)

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': 'f3a9ca88b6645ec599c1493147bfaf9f79a0aca4',
+  'dart_revision': 'e59935669cb040e1a25d74763c80f18b5c0a8c2a',
 
   # 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: c60f11773c21127073d84a0f8a8867b8
+Signature: bc7af689ab5666b73c11d00c10554c85
 
 UNUSED LICENSES: