RM8278: Fixed glance_usage_audit report

1.Fixed unpacking values bug.
2.Corrected audit period from 86399.000001 to 86400 so that it
picks up correct status counts.

Change-Id: Ieea1f451e6db72aaa6d83696134986a0288bedb1
Merge "RM8278: Fixed glance_usage_audit report"