Roll Dart SDK from 6b4fe2fb78f6 to f8ff12008e84 (17 revisions) (#19469)

diff --git a/DEPS b/DEPS
index 4503ab5..4bd4842 100644
--- a/DEPS
+++ b/DEPS
@@ -34,16 +34,14 @@
   # 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': '6b4fe2fb78f6d5df3a72c79787e63f18905c7353',
+  'dart_revision': 'f8ff12008e84c84fe93d44b7edf137328405b93b',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
   'dart_args_tag': '1.6.0',
-  'dart_async_tag': '2.4.1',
-  'dart_bazel_worker_tag': 'v0.1.22',
   'dart_boringssl_gen_rev': '429ccb1877f7987a6f3988228bc2440e61293499',
   'dart_boringssl_rev': '4dfd5af70191b068aebe567b8e29ce108cee85ce',
-  'dart_collection_rev': '7be42e03d427cc19571cd7f9fc628a5913a6b757',
+  'dart_collection_rev': '80f5b6de8a8d8d584732a71bb59912da3e44883b',
   'dart_dart2js_info_tag': '0.6.0',
   'dart_dart_style_tag': '1.3.6',
   'dart_http_retry_tag': '0.1.1',
@@ -70,7 +68,7 @@
   'dart_stream_channel_tag': '70433d577be02c48cb16d72d65654f3b4d82c6ed',
   'dart_test_reflective_loader_tag': '0.1.9',
   'dart_tflite_native_rev': '3c777c40608a2a9f1427bfe0028ab48e7116b4c1',
-  'dart_typed_data_tag': '1.1.6',
+  'dart_typed_data_tag': '0c369b73a9b7ebf042c06512951bfe5b52b84a5f',
   'dart_usage_tag': '3.4.0',
   'dart_watcher_rev': 'fc3c9aae5d31d707b3013b42634dde8d8a1161b4',
 
@@ -172,10 +170,10 @@
    Var('dart_git') + '/args.git' + '@' + Var('dart_args_tag'),
 
   'src/third_party/dart/third_party/pkg/async':
-   Var('dart_git') + '/async.git' + '@' + Var('dart_async_tag'),
+   Var('dart_git') + '/async.git@e0c41e0c1fb70ba606dc81335c981af7c00987c6',
 
   'src/third_party/dart/third_party/pkg/bazel_worker':
-   Var('dart_git') + '/bazel_worker.git' + '@' + Var('dart_bazel_worker_tag'),
+   Var('dart_git') + '/bazel_worker.git@26680d5e249b249c7216ab2fed0ac8ed4ee285c5',
 
   'src/third_party/dart/third_party/pkg/boolean_selector':
    Var('dart_git') + '/boolean_selector.git@1309eabed510cc3b7536fd4367d39b97ebee3d69',
@@ -346,7 +344,7 @@
    Var('dart_git') + '/web_socket_channel.git@490061ef0e22d3c8460ad2802f9948219365ad6b',
 
   'src/third_party/dart/third_party/pkg/yaml':
-   Var('dart_git') + '/yaml.git@62e9f6b3a933b1f76dd3007d1a5ce0be8e429b2d',
+   Var('dart_git') + '/yaml.git@e5de429147a6b0fcb7e8ddb3c8e4674dc5dd0ecc',
 
   'src/third_party/dart/third_party/pkg_tested/dart_style':
    Var('dart_git') + '/dart_style.git' + '@' + Var('dart_dart_style_tag'),
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
index 062f78f..44baefc 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 95fb33b98da438d0964a05b8177316fb
+Signature: c4d6b5af377ae6cdedefdd37573b41ef
 
 UNUSED LICENSES: