Mojom frontend: Allow non-reference types in non-zero versions of a struct.

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 64e8a3ad2b3a4ba8c9bf4415d352f3be46e6e629..08a04869d372f58a6a1c7d38197f2d42c93d5ac9 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);