Read in the policy file on GlobalPolicy construction.
Read in the policy file on GlobalPolicy construction.

Signed-off-by: Steve S. Sylvester <b0839a0405c3f908ea9b10b668e5564aefda5af5@intel>
SIgned-off-by: Christopher M. Cantalupo <9cf3ecca60a3dd7112ab0e7250bedb8a752e3958@intel.com>

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