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

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 be8c092f3f4a7d645b75fe62fc795e7458856863..79b5f9160ece8ab6998681be031f476365007392 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);