Fix spotless issues

Author: nicktelford

streams/src/main/java/org/apache/kafka/streams/processor/internals/StateDirectory.java

@@ -27,12 +27,13 @@
 import org.apache.kafka.streams.internals.StreamsConfigUtils;
 import org.apache.kafka.streams.processor.TaskId;
 import org.apache.kafka.streams.processor.internals.metrics.StreamsMetricsImpl;
+import org.apache.kafka.streams.state.internals.OffsetCheckpoint;
 import org.apache.kafka.streams.state.internals.ThreadCache;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import org.apache.kafka.streams.state.internals.OffsetCheckpoint;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;