Increase the threshold to 2% for the power consumption test.
Increase the threshold to 2% for the power consumption test.

- Further testing is necessary to determine what the correct threshold
  is for this test.

Change-Id: I18df03a330f86c620460cfb23c7a40333c864565
Signed-off-by: Brad Geltz <e42f3ad4099980ea02f08e076efbee5cf9d4a803@intel.com>

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