Fixed TPCH Query 15

Rewrote TPCH Query 15 to use an inline view.

Change-Id: I6755cc054ead14b032f7f59ea0f519b45e404b7d
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/4287
Reviewed-by: Taras Bobrovytsky <tbobrovytsky@cloudera.com>
Tested-by: jenkins