Fix Result.Code enum values to use UPPER_CAMEL naming

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133324460

java/google/registry/flows/domain/DomainCreateOrAllocateFlow.java

@@ -101,7 +101,7 @@ public abstract class DomainCreateOrAllocateFlow
   @Override
   protected final EppOutput getOutput() {
     return createOutput(
-        Result.Code.Success,
+        Result.Code.SUCCESS,
         DomainCreateData.create(
             newResource.getFullyQualifiedDomainName(),
             now,