Roll Dart SDK from 27c45cd to d2766b3 (5 revisions)

https://dart.googlesource.com/sdk.git/+log/27c45cd51796..d2766b385c2a

2022-11-22 [email protected] Version 2.19.0-421.0.dev
2022-11-22 [email protected] Version 2.19.0-420.0.dev
2022-11-22 [email protected] Version 2.19.0-419.0.dev
2022-11-22 [email protected] Version 2.19.0-418.0.dev
2022-11-22 [email protected] Version 2.19.0-417.0.dev

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC [email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter Engine: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Author: skia-flutter-autoroll

DEPS

@@ -48,7 +48,7 @@ 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': '27c45cd51796e18c084ea9d834011cf907f799dc',
+  'dart_revision': 'd2766b385c2a962be208ee51e03e8cfc20ef0351',
 
   # 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: 28d6549fad8f88aed923b21ca6abe54f
+Signature: ab4df1b506a6efc07b023aa35f376009
 
 UNUSED LICENSES:
 
@@ -14108,6 +14108,8 @@ FILE: ../../../third_party/dart/runtime/vm/heap/gc_shared.cc
 FILE: ../../../third_party/dart/runtime/vm/heap/gc_shared.h
 FILE: ../../../third_party/dart/runtime/vm/heap/page.cc
 FILE: ../../../third_party/dart/runtime/vm/heap/page.h
+FILE: ../../../third_party/dart/runtime/vm/heap/sampler.cc
+FILE: ../../../third_party/dart/runtime/vm/heap/sampler.h
 FILE: ../../../third_party/dart/runtime/vm/instructions.cc
 FILE: ../../../third_party/dart/runtime/vm/kernel_test.cc
 FILE: ../../../third_party/dart/runtime/vm/malloc_hooks_riscv.cc