Roll Dart SDK from 70186deed4f2 to acc4a3e2b78b (1 revision) (flutter#28691)

skia-flutter-autoroll · web-flow · commit 4a803193817d · 2021-09-17T13:03:01.000-07:00
diff --git a/DEPS b/DEPS
@@ -39,7 +39,7 @@ 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': '70186deed4f24010b94d02545d0fedee4cc88200',
+  'dart_revision': 'acc4a3e2b78b77e1f63f2340d7de23a2880cb9c3',
 
   # 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: c659eddfed39c5a418591dc1ae335f48
+Signature: fff91ef4b79a15646bca0874e4085bc7
 
 UNUSED LICENSES:
 
