Roll Dart SDK from 9982d96cebb0 to e7cfba13d375 (1 revision) (flutter/engine#50646)

https://dart.googlesource.com/sdk.git/+log/9982d96cebb0..e7cfba13d375

2024-02-14 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.4.0-142.0.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 dart-vm-team@google.com,jsimmons@google.com 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://issues.skia.org/issues/new?component=1389291&template=1850622

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

DEPS

@@ -62,7 +62,7 @@ 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': '9982d96cebb0b5f61b7714179061c59e07ebead3',
+  'dart_revision': 'e7cfba13d375242509c760a358302fe69b023426',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -429,7 +429,7 @@ deps = {
    Var('dart_git') + '/mockito.git@7d6632fd679f0f6aae32ee74038ba8cb6b64a607',
 
   'src/third_party/dart/third_party/pkg/native':
-   Var('dart_git') + '/native.git@cb9bd7ef604f71f2c51d0acbb3214cfe06e952be',
+   Var('dart_git') + '/native.git@b1a0c2a211c2c85d9392b74abacef5eca7a62364',
 
   'src/third_party/dart/third_party/pkg/package_config':
    Var('dart_git') + '/package_config.git@4a7042bb286cf0b41b26e87972bc28bda535f8b9',