Add ObjectUtils import

Author: Lucas Martins

framework/quota/src/main/java/org/apache/cloudstack/quota/activationrule/presetvariables/PresetVariableHelper.java

@@ -54,6 +54,7 @@
 import org.apache.cloudstack.utils.bytescale.ByteScaleUtils;
 import org.apache.cloudstack.utils.jsinterpreter.JsInterpreter;
 import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang3.ObjectUtils;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.LogManager;
 import org.springframework.stereotype.Component;