[fix][test][branch-3.0] Fix cherry-picking issue in 2f6c1a3 where Cle…

…anup import was missing

(cherry picked from commit 0f704e7)

pulsar-client/src/test/java/org/apache/pulsar/client/impl/PartitionedProducerImplTest.java

@@ -29,17 +29,18 @@
 import static org.testng.Assert.assertNotNull;
 import static org.testng.Assert.assertTrue;
 import static org.testng.Assert.fail;
+import com.google.api.client.util.Lists;
 import io.netty.channel.EventLoopGroup;
 import io.netty.util.Timer;
 import io.netty.util.concurrent.DefaultThreadFactory;
-import com.google.api.client.util.Lists;
 import java.lang.reflect.Field;
 import java.nio.ByteBuffer;
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ThreadFactory;
+import lombok.Cleanup;
 import org.apache.pulsar.client.api.Message;
 import org.apache.pulsar.client.api.MessageRouter;
 import org.apache.pulsar.client.api.MessageRoutingMode;