HBASE-16541 Avoid unnecessary cell copy in Result#compareResults (ChiaPing Tsai)

hbase-client/src/main/java/org/apache/hadoop/hbase/client/Result.java

@@ -773,7 +773,7 @@ public class Result implements CellScannable, CellScanner {
     Cell[] replicatedKVs = res2.rawCells();
     for (int i = 0; i < res1.size(); i++) {
       if (!ourKVs[i].equals(replicatedKVs[i]) ||
-          !Bytes.equals(CellUtil.cloneValue(ourKVs[i]), CellUtil.cloneValue(replicatedKVs[i]))) {
+          !CellUtil.matchingValue(ourKVs[i], replicatedKVs[i])) {
         throw new Exception("This result was different: "
             + res1.toString() + " compared to " + res2.toString());
       }