The value of tSapIngressFCUnknownPlcrFPQGrp specifies whether to use
the specified unknown policer defined in FP(forwading-plane) Queue
group for this SAP.
When tSapIngressFCUnknownPlcrFPQGrp is set to 'true', it specifies the FC
to use the specific broadcast policer defined in the FP Queue Group
instance attached to the SAP specified by sapIngressFPQGrp and
sapIngressFPQGrpInstanceId.
An 'inconsistentValue' error is returned if
tSapIngressFCUnknownPlcrFPQGrp is set to a non-default value and an
entry corresponding to the policer tSapIngressFCPolicer does not exist
in Queue group attached at the FP.