HDFS-15073. Replace curator-shaded guava import with the standard one (#1782)

(cherry picked from commit d8cd7098b4bcfbfd76915b9ecefb2c7ea320e149)

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotDiffReportListing.java

@@ -20,7 +20,7 @@ package org.apache.hadoop.hdfs.protocol;
 import java.util.Collections;
 import java.util.List;
 
-import org.apache.curator.shaded.com.google.common.base.Preconditions;
+import com.google.common.base.Preconditions;
 
 import org.apache.hadoop.hdfs.DFSUtilClient;