The value of tmnxHsmdaMdaSchOvrClass8WtInGrp specifies the weight
the HSMDA scheduler policy should apply to this policy level
within the group it belongs to.
The value of tmnxHsmdaMdaSchOvrClass8WtInGrp will only be
used if this policy level has been assigned to a group
by setting tHsmdaSchedulerPlcyLvl8GrpId to a non-zero value.
A value of -2 indicates no override.
This object overrides
TIMETRA-QOS-MIB::tHsmdaSchedulerPlcyLvl8WgtInGrp.