Roll Dart SDK from 0f15f8722e29 to dd47387430a0 (12 revisions) (#18943)

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': '0f15f8722e2972ccfc058fb6bb46d983624db6c9',
+  'dart_revision': 'dd47387430a071899edade626a36be4f858a7757',
 
   # 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: cefa09f98239fdea0e7998003557360e
+Signature: 415a4ae3c09d610d7222979b6f2ffe87
 
 UNUSED LICENSES:
 
@@ -8529,6 +8529,7 @@ FILE: ../../../third_party/dart/sdk/lib/developer/extension.dart
 FILE: ../../../third_party/dart/sdk/lib/developer/timeline.dart
 FILE: ../../../third_party/dart/sdk/lib/io/io_resource_info.dart
 FILE: ../../../third_party/dart/sdk/lib/io/security_context.dart
+FILE: ../../../third_party/dart/sdk/lib/js/_js_annotations.dart
 FILE: ../../../third_party/dart/sdk/lib/vmservice/asset.dart
 FILE: ../../../third_party/dart/sdk/lib/vmservice/vmservice.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/_internal/js_dev_runtime/patch/developer_patch.dart
@@ -8554,6 +8555,7 @@ FILE: ../../../third_party/dart/sdk_nnbd/lib/developer/extension.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/developer/timeline.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/io/io_resource_info.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/io/security_context.dart
+FILE: ../../../third_party/dart/sdk_nnbd/lib/js/_js_annotations.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/vmservice/asset.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/vmservice/vmservice.dart
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