Roll Dart SDK from 761ed531161f to f527ddd39bb1 (3 revisions) (#24746)

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': '761ed531161f6783252e5231dcee525c96c92f9c',
+  'dart_revision': 'f527ddd39bb1b22c04189e20dbae7e046b9c1a57',
 
   # 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: 8b7ce6509e5b7032075c63ca39b6771c
+Signature: 11c187a0827dd36e29a89328d586f29a
 
 UNUSED LICENSES: