Query Gen: Set randomization seed during data generation
Query Gen: Set randomization seed during data generation

The data generation was written to use a randomization seed but the
seed was never actually passed to it. Now the data is the same when
the generator is run multiple times.

Change-Id: I87b9f0e765f8fdbc5286edcb7a1edf7e082b54d0
Reviewed-on: http://gerrit.cloudera.org:8080/2493
Reviewed-by: Taras Bobrovytsky <72e4a6fc4c5ef23f318dc209e8402725249a5676@cloudera.com>
Tested-by: Casey Ching <77bc9a9984e6786c5799d7a71768cf023120ef76@cloudera.com>

kapilrastogi/Impala,kapilrastogi/Impala,kapilrastogi/Impala,kapilrastogi/Impala,kapilrastogi/Impala,kapilrastogi/Impala,kapilrastogi/Impala