Roll Dart SDK from 0d0a4b1 to e47b915 (4 revisions) (#34384)

Author: skia-flutter-autoroll

DEPS

@@ -45,7 +45,7 @@ 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': '0d0a4b1e0a3a642dbb4f603421b6bb779fccbfd1',
+  'dart_revision': 'e47b91579e2c30a4e426bd709ceb85cc3a4fda26',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: 874ee5d2812b7c604d3266c3fbad0503
+Signature: 4192c70ff7abf2bb32501a76ca4bc85d
 
 UNUSED LICENSES:
 
@@ -11560,7 +11560,6 @@ FILE: ../../../third_party/dart/sdk/lib/_internal/js_dev_runtime/patch/js_patch.
 FILE: ../../../third_party/dart/sdk/lib/_internal/js_runtime/lib/js_patch.dart
 FILE: ../../../third_party/dart/sdk/lib/_internal/vm/lib/ffi_struct_patch.dart
 FILE: ../../../third_party/dart/sdk/lib/internal/lowering.dart
-FILE: ../../../third_party/dart/sdk/lib/io/network_policy.dart
 ----------------------------------------------------------------------------------------------------
 Copyright (c) 2020, the Dart project authors.  Please see the AUTHORS file
 for details. All rights reserved.