Update Dart bindings for _mojo_for_test_only package.

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

Index: mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_interfaces.mojom.dart
diff --git a/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_interfaces.mojom.dart b/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_interfaces.mojom.dart
index 65adb7e90e7ee00f58c0f1986a8a2df50f7fb457..cf15080c56b7413d18db5a8e4323e96ae0d61863 100644
--- a/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_interfaces.mojom.dart
+++ b/mojo/dart/packages/_mojo_for_test_only/lib/sample/sample_interfaces.mojom.dart
@@ -2332,7 +2332,7 @@ 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);