Revert "Roll Dart SDK from 38e7078 to e9488dd (12 revisions) (#29631)" (#29649)

This reverts commit 7d414f6.

Author: zanderso

DEPS

@@ -39,7 +39,7 @@ 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': 'e9488dd50ffbdf14145bf862c00abbe3acc7c434',
+  'dart_revision': '38e7078fa2b7888e4c12b2079b51bc366fe455fd',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -52,7 +52,7 @@ vars = {
   'dart_intl_tag': '0.17.0-nullsafety',
   'dart_linter_tag': '1.14.0',
   'dart_protobuf_rev': 'c1eb6cb51af39ccbaa1a8e19349546586a5c8e31',
-  'dart_pub_rev': '96404e0749864c9fbf8b12e1d424e8078809e00a',
+  'dart_pub_rev': '0035a40f25d027130c0314571da53ffafc6d973b',
   'dart_root_certificates_rev': '692f6d6488af68e0121317a9c2c9eb393eb0ee50',
   'dart_shelf_proxy_tag': 'v1.0.0',
   'dart_shelf_static_rev': '202ec1a53c9a830c17cf3b718d089cf7eba568ad',
@@ -206,7 +206,7 @@ deps = {
    Var('dart_git') + '/crypto.git@b5024e4de2b1c474dd558bef593ddbf0bfade152',
 
   'src/third_party/dart/third_party/pkg/csslib':
-   Var('dart_git') + '/csslib.git@02abc1ddf93092efef2be365300f15504d23cd23',
+   Var('dart_git') + '/csslib.git@6f35da3d93eb56eb25925779d235858d4090ce6f',
 
   'src/third_party/dart/third_party/pkg/dartdoc':
    Var('dart_git') + '/dartdoc.git@520e64977de7a87b2fd5be56e5c2e1a58d55bdad',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: a0b6c8b0a92cb36de14ea3f8760f5043
+Signature: f1e787217c47653595918b70b947bcfa
 
 UNUSED LICENSES:
 
@@ -9787,11 +9787,6 @@ FILE: ../../../third_party/dart/benchmarks/MapLookup/dart/maps.dart
 FILE: ../../../third_party/dart/benchmarks/MapLookup/dart2/MapLookup.dart
 FILE: ../../../third_party/dart/benchmarks/MapLookup/dart2/maps.dart
 FILE: ../../../third_party/dart/benchmarks/MapLookup/generate_maps.dart
-FILE: ../../../third_party/dart/benchmarks/NativeCall/dart/NativeCall.dart
-FILE: ../../../third_party/dart/benchmarks/NativeCall/dart/dlopen_helper.dart
-FILE: ../../../third_party/dart/benchmarks/NativeCall/dart2/NativeCall.dart
-FILE: ../../../third_party/dart/benchmarks/NativeCall/dart2/dlopen_helper.dart
-FILE: ../../../third_party/dart/benchmarks/NativeCall/native/native_functions.c
 FILE: ../../../third_party/dart/benchmarks/ObjectHash/dart/ObjectHash.dart
 FILE: ../../../third_party/dart/benchmarks/ObjectHash/dart2/ObjectHash.dart
 FILE: ../../../third_party/dart/benchmarks/SDKArtifactSizes/dart/SDKArtifactSizes.dart