fix missing import statements

Author: markxnelson

operator/src/main/java/oracle/kubernetes/operator/helpers/CrdHelper.java

@@ -24,6 +24,7 @@
 import io.kubernetes.client.models.V1beta1JSONSchemaProps;
 import oracle.kubernetes.json.SchemaGenerator;
 import oracle.kubernetes.operator.KubernetesConstants;
+import oracle.kubernetes.operator.LabelConstants;
 import oracle.kubernetes.operator.calls.CallResponse;
 import oracle.kubernetes.operator.logging.LoggingFacade;
 import oracle.kubernetes.operator.logging.LoggingFactory;
@@ -35,6 +36,8 @@
 import oracle.kubernetes.weblogic.domain.model.DomainSpec;
 import oracle.kubernetes.weblogic.domain.model.DomainStatus;
 
+import static oracle.kubernetes.operator.VersionConstants.DEFAULT_OPERATOR_VERSION;
+
 /** Helper class to ensure Domain CRD is created. */
 public class CrdHelper {
   private static final LoggingFacade LOGGER = LoggingFactory.getLogger("Operator", "Operator");