Roll Dart SDK from 1e9d438 to b4d5dd7 (1 revision) (#31106)

skia-flutter-autoroll · web-flow · commit 4252c5a6ac6c · 2022-01-27T00:45:02.000-08:00
diff --git a/DEPS b/DEPS
@@ -39,7 +39,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '1e9d4389ad6898dd0211007fa78153e1d916ebb8',
+  'dart_revision': 'b4d5dd7bf6661ca025e2ccf88769cdd8d097a8fa',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: af153aa55af16a6275b155c7a6db113a
+Signature: b643518b93c707fdbf4876118d1401b4
 
 UNUSED LICENSES:
 
