The value of tAdvCfgMaxDecPirPrcnt specifies the percentage of the
child's administrative PIR that should be used as the decrement limit
to offered rate change.
When the value of tAdvCfgMaxDecPirPrcnt is set to '10000', any
currently configured maximum decrement limit for all child policers and
queues associated with the policy specified by tAdvCfgPolicyName are
removed.