Roll src/third_party/dart 245a574301b1..d5650235a249 (7 commits) (#18297)

diff --git a/DEPS b/DEPS
index a38424a..8e19faa 100644
--- a/DEPS
+++ b/DEPS
@@ -34,7 +34,7 @@
   # 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': '245a574301b1de35541a8184567a780004450900',
+  'dart_revision': 'd5650235a249aa066da54f89a6fa7588fd6e1c7b',
 
   # 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
index d9aefc2..a715acd 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 089dab6122ec08141d4ab4892d697b32
+Signature: 477507666844668f9cbad4dc8b8b805e
 
 UNUSED LICENSES: