Roll Dart SDK from e007545c42fd to 253022eb1b27 (5 revisions) (#18622)

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': 'e007545c42fdcfcbfdd6d3bc980c4ca3beb4f253',
+  'dart_revision': '253022eb1b27bf8362c1e86c9a1b1753ef186072',
 
   # 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: 2e5463016dec578b2dbcb5ec519098b8
+Signature: 5a0f77e94f1db0fdc3880d834fc2f7d1
 
 UNUSED LICENSES: