Revert Dart SDK to 2.19.0-324.0.dev

DEPS

@@ -43,7 +43,7 @@ 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': 'eafe0119c9f500f8910888aca27f9f7235562f5b',
+  'dart_revision': '1d418b40d8bd82d6a2d293e8f87d37ebe43841cd',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -57,7 +57,7 @@ vars = {
   'dart_pub_rev': 'b9afe9270c24d040b8ae465b4b37ba4f7f4b4cc5',
   'dart_root_certificates_rev': '692f6d6488af68e0121317a9c2c9eb393eb0ee50',
   'dart_watcher_rev': '32591071a83f632478e702f67e29de6e54428ce9',
-  'dart_webdev_rev': 'a02f073aecb4c4e7befdf4c1fcc4c83e67af8bf2',
+  'dart_webdev_rev': '5343edbab54ecee37af9d18062847614b91a4bd6',
   'dart_webkit_inspection_protocol_rev': 'b825c8f6a12200d619729903207ac826cce278da',
   'dart_yaml_edit_rev': '01589b3ce447b03aed991db49f1ec6445ad5476d',
   'dart_zlib_rev': '27c2f474b71d0d20764f86f60ef8b00da1a16cda',
@@ -184,7 +184,7 @@ deps = {
    Var('dart_git') + '/async.git@f3ed5f690e2ec9dbe1bfc5184705575b4f6480e5',
 
   'src/third_party/dart/third_party/pkg/bazel_worker':
-   Var('dart_git') + '/bazel_worker.git@03717ca4c2bbf1d74f26c89673426e076288242a',
+   Var('dart_git') + '/bazel_worker.git@75a947fad63925fb441932af651819132b5ca450',
 
   'src/third_party/dart/third_party/pkg/boolean_selector':
    Var('dart_git') + '/boolean_selector.git@1d3565e2651d16566bb556955b96ea75018cbd0c',
@@ -229,7 +229,7 @@ deps = {
    Var('dart_git') + '/glob.git@ee812790f4d98587a363e65d5af484ed9c6943f8',
 
   'src/third_party/dart/third_party/pkg/html':
-   Var('dart_git') + '/html.git@0bf601959ac98e6cdf1925a1cdab70bd6a5ddc45',
+   Var('dart_git') + '/html.git@0740fc737350959cfdb5f8a34425a29d0dc0d285',
 
   'src/third_party/dart/third_party/pkg/http':
    Var('dart_git') + '/http.git@738a55b20e391c5a526b86bf4b02af6b7745b494',
@@ -250,7 +250,7 @@ deps = {
    Var('dart_git') + '/logging.git@f322480fb9d9e83e677c08db6d09067059f7ff74',
 
   'src/third_party/dart/third_party/pkg/markdown':
-   Var('dart_git') + '/markdown.git@93d0eee771f6355be6737c2a865f613f6b105bf1',
+   Var('dart_git') + '/markdown.git@d72ae07c8290b3780044170eda28eda5a9fb342e',
 
   'src/third_party/dart/third_party/pkg/matcher':
    Var('dart_git') + '/matcher.git@6a9b83bbd73e50df2058b3e8e4aa301df49569c6',
@@ -289,7 +289,7 @@ deps = {
    Var('dart_git') + '/source_map_stack_trace.git@8d8078fcc81c8f7936805cd277198493e0b7fc62',
 
   'src/third_party/dart/third_party/pkg/source_maps':
-   Var('dart_git') + '/source_maps.git@b031e2cdbef5675ab9a92025202d323a5e7cc526',
+   Var('dart_git') + '/source_maps.git@c7e89635a7651974feb78e3ce272fac5aa3f4334',
 
   'src/third_party/dart/third_party/pkg/source_span':
    Var('dart_git') + '/source_span.git@ff03af16474ce91c89eb3bc28182866f4cb6dfb0',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: 4f3567884818627843e98faf15893297
+Signature: bcc127a1c77ef7ee426759d52e36d8b8
 
 UNUSED LICENSES:
 
@@ -14048,7 +14048,6 @@ FILE: ../../../third_party/dart/runtime/bin/test_utils.cc
 FILE: ../../../third_party/dart/runtime/bin/test_utils.h
 FILE: ../../../third_party/dart/runtime/bin/thread_absl.cc
 FILE: ../../../third_party/dart/runtime/bin/thread_absl.h
-FILE: ../../../third_party/dart/runtime/lib/integers.h
 FILE: ../../../third_party/dart/runtime/platform/mach_o.h
 FILE: ../../../third_party/dart/runtime/platform/pe.h
 FILE: ../../../third_party/dart/runtime/tools/heapsnapshot/bin/explore.dart
@@ -14106,7 +14105,6 @@ FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/object_patch.dart
 FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/print_patch.dart
 FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/regexp_helper.dart
 FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/regexp_patch.dart
-FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/simd_patch.dart
 FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/stack_trace_patch.dart
 FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/stopwatch_patch.dart
 FILE: ../../../third_party/dart/sdk/lib/_internal/wasm/lib/string_buffer_patch.dart