[SQL] Add fetched row count in SparkSQLCLIDriver

before this change:
```scala
Time taken: 0.619 seconds
```

after this change :
```scala
Time taken: 0.619 seconds, Fetched: 4 row(s)
```

Author: OopsOutOfMemory <victorshengli@126.com>

Closes #4604 from OopsOutOfMemory/rowcount and squashes the following commits:

7252dea [OopsOutOfMemory] add fetched row count

sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIDriver.scala

@@ -292,9 +292,13 @@ private[hive] class SparkSQLCLIDriver extends CliDriver with Logging {
             }
           }
 
+          var counter = 0
           try {
             while (!out.checkError() && driver.getResults(res)) {
-              res.foreach(out.println)
+              res.foreach{ l =>
+                counter += 1
+                out.println(l)
+              }
               res.clear()
             }
           } catch {
@@ -311,7 +315,11 @@ private[hive] class SparkSQLCLIDriver extends CliDriver with Logging {
             ret = cret
           }
 
-          console.printInfo(s"Time taken: $timeTaken seconds", null)
+          var responseMsg = s"Time taken: $timeTaken seconds"
+          if (counter != 0) {
+            responseMsg += s", Fetched $counter row(s)"
+          }
+          console.printInfo(responseMsg , null)
           // Destroy the driver to release all the locks.
           driver.destroy()
         } else {