Enable tpch queries to run on text to unblock the full data load build.

Some planner tests depend on data being populated in the tpch tmp tables (in text format)
. This change re-enables the tpch query tests to run on text so that they pass.

Change-Id: I4ed09f55e05cb01978cb6f0808c6395552c0f129
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3176
Reviewed-by: Lenni Kuff <lskuff@cloudera.com>
Reviewed-by: Ishaan Joshi <ishaan@cloudera.com>
Tested-by: Ishaan Joshi <ishaan@cloudera.com>
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3177