Roll Dart SDK from f527ddd to 041a6dd (1 revision) (flutter#24749)

Author: skia-flutter-autoroll

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': 'f527ddd39bb1b22c04189e20dbae7e046b9c1a57',
+  'dart_revision': '041a6dd2e76ba9efeabe2c742536338479e1dd8a',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py