Enable test_power_balancer to work with new trace files
Enable test_power_balancer to work with new trace files

- Balancer has been changed to add fewer columns

Change-Id: I8214f99329cd1f5f1eda96f218366a7610ea0ccf
Signed-off-by: Christopher M. Cantalupo <9cf3ecca60a3dd7112ab0e7250bedb8a752e3958@intel.com>

geopm/geopm,cmcantalupo/geopm,geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm,cmcantalupo/geopm,geopm/geopm,geopm/geopm,cmcantalupo/geopm,geopm/geopm