Roll Dart SDK from a4fbabc to 57bb12d (1 revision) (flutter#22283)

Author: skia-flutter-autoroll

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': 'a4fbabcd73dc778c2a773e75b6c5e3e43e4bef3f',
+  'dart_revision': '57bb12dc24d20ce1348670b57014c5f52cb6c6ce',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -59,7 +59,7 @@ vars = {
   'dart_shelf_static_rev': 'v0.2.8',
   'dart_shelf_web_socket_tag': '0.2.2+3',
   'dart_sse_tag': 'e5cf68975e8e87171a3dc297577aa073454a91dc',
-  'dart_stack_trace_tag': '45319bfd2a6da228d8c32b06e1da02ad199373c7',
+  'dart_stack_trace_tag': 'c9c867fa9d5b9c8a059e33d3efe759698aa49d60',
   'dart_stagehand_tag': 'v3.3.9',
   'dart_stream_channel_tag': 'd7251e61253ec389ee6e045ee1042311bced8f1d',
   'dart_test_reflective_loader_tag': '0.1.9',
@@ -163,7 +163,7 @@ deps = {
    Var('dart_git') + '/args.git' + '@' + Var('dart_args_tag'),
 
   'src/third_party/dart/third_party/pkg/async':
-   Var('dart_git') + '/async.git@6d2de25f208b011d79d056115256d3840229723b',
+   Var('dart_git') + '/async.git@695b3ac280f107c84adf7488743abfdfaaeea68f',
 
   'src/third_party/dart/third_party/pkg/bazel_worker':
    Var('dart_git') + '/bazel_worker.git@26680d5e249b249c7216ab2fed0ac8ed4ee285c5',
@@ -196,7 +196,7 @@ deps = {
    Var('dart_git') + '/dart2js_info.git@0632a623b08e1f601c7eba99e0186a581ae799e9',
 
   'src/third_party/dart/third_party/pkg/dartdoc':
-   Var('dart_git') + '/dartdoc.git@72c69f8659ce8823ce2dde9a4f758b0fa617ab5e',
+   Var('dart_git') + '/dartdoc.git@6935dcd8f2d78cf1797e6365b4b71505e6579659',
 
   'src/third_party/dart/third_party/pkg/ffi':
    Var('dart_git') + '/ffi.git@a90bd424116fb6f416337db67425171f2dc4c98f',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: 617cc002b0575af08d904dd89dd8023f
+Signature: bbc48564f0a9a3bb54490191c26ecf88
 
 UNUSED LICENSES:
 

tools/const_finder/.dart_tool/package_config.json

@@ -17,7 +17,7 @@
       "name": "meta",
       "rootUri": "../../../../third_party/dart/pkg/meta",
       "packageUri": "lib",
-      "languageVersion": "2.10"
+      "languageVersion": "2.12"
     },
     {
       "name": "args",