Move more imports

Author: mccheah

core/src/main/java/org/apache/spark/shuffle/sort/UnsafeShuffleWriter.java

@@ -38,8 +38,6 @@
 
 import org.apache.spark.*;
 import org.apache.spark.annotation.Private;
-import org.apache.spark.shuffle.api.ShuffleMapOutputWriter;
-import org.apache.spark.shuffle.api.ShufflePartitionWriter;
 import org.apache.spark.internal.config.package$;
 import org.apache.spark.io.CompressionCodec;
 import org.apache.spark.io.CompressionCodec$;
@@ -53,6 +51,8 @@
 import org.apache.spark.serializer.SerializerInstance;
 import org.apache.spark.shuffle.ShuffleWriter;
 import org.apache.spark.shuffle.api.ShuffleExecutorComponents;
+import org.apache.spark.shuffle.api.ShuffleMapOutputWriter;
+import org.apache.spark.shuffle.api.ShufflePartitionWriter;
 import org.apache.spark.shuffle.api.WritableByteChannelWrapper;
 import org.apache.spark.storage.BlockManager;
 import org.apache.spark.unsafe.Platform;