HPCC-12241 Enable Roxie monitor tracing of Roxie heap

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #6506 from richardkchapman/roxieperfmon

HPCC-12241 Enable Roxie monitor tracing of Roxie heap

Reviewed-By: Jake Smith <jake.smith@lexisnexis.com>