Roll Dart SDK from 25f8064d7387 to 05661056d153 (1 revision) (#28635)

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': '25f8064d7387d2eb39950e12cea1af30e01e0be7',
+  'dart_revision': '05661056d15329cba3032b423af4ebecef58b926',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -332,7 +332,7 @@ deps = {
    Var('dart_git') + '/typed_data.git@29ce5a92b03326d0b8035916ac04f528874994bd',
 
   'src/third_party/dart/third_party/pkg/usage':
-   Var('dart_git') + '/usage.git@016dd302b494e4ff70a7850957ec895eced9d220',
+   Var('dart_git') + '/usage.git@e0780cd8b2f8af69a28dc52678ffe8492da27d06',
 
   'src/third_party/dart/third_party/pkg/watcher':
    Var('dart_git') + '/watcher.git' + '@' + Var('dart_watcher_rev'),

ci/licenses_golden/licenses_third_party

-Signature: bdba2856463e9cd90e78ef2eced27107
+Signature: 039cfd3959b27b94bde379348e38fb38
 
 UNUSED LICENSES: