Added non-trivial delivery and persistent predicates to detect inactivity
Added non-trivial delivery and persistent predicates to detect inactivity

This causes performance issues. Makes the performance numbers look
even more miserable.

Derecho-Project/derecho-unified,Derecho-Project/derecho-unified,Derecho-Project/derecho-unified,Derecho-Project/derecho-unified,Derecho-Project/derecho-unified