Update Dart bindings for _mojo_for_test_only package.

mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_factory.mojom.dart

Index: mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_factory.mojom.dart
diff --git a/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_factory.mojom.dart b/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_factory.mojom.dart
index 062c242d51b3d7fa930f1735adb284f6c3a52fbc..312c090e280e5b15c45b76413bf2c497b0be3c75 100644
--- a/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_factory.mojom.dart
+++ b/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_factory.mojom.dart
@@ -1764,7 +1764,7 @@ mojom_types.RuntimeTypeInfo  _initRuntimeTypeInfo() {
   // serializedRuntimeTypeInfo contains the bytes of the Mojo serialization of
   // a mojom_types.RuntimeTypeInfo struct describing the Mojom types in this
   // file. The string contains the base64 encoding of the gzip-compressed bytes.
-  var serializedRuntimeTypeInfo = "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";
+  var serializedRuntimeTypeInfo = "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";
 
   // Deserialize RuntimeTypeInfo
   var bytes = BASE64.decode(serializedRuntimeTypeInfo);