MB-11421: Supports ack should be false for upr connections
MB-11421: Supports ack should be false for upr connections

Upr doesn't support ack/nack logic.

Change-Id: I5ba3d1cf323f527ce59ed2d8dd901566f3bcd1f5
Reviewed-on: http://review.couchbase.org/38347
Reviewed-by: abhinav dangeti <d73ef2279de6577f7bf081737ee47554bbb7dc82@couchbase.com>
Reviewed-by: Sundararaman Sridharan <333a3f71d3ad6e01fc953c4fa06bc1f3cd014910@couchbase.com>
Tested-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

teligent-ru/ep-engine,daverigby/kv_engine,teligent-ru/ep-engine,sriganes/ep-engine,membase/ep-engine,daverigby/kv_engine,daverigby/kv_engine,membase/ep-engine,owendCB/ep-engine,jimwwalker/ep-engine,daverigby/kv_engine,couchbase/ep-engine,hisundar/ep-engine,sriganes/ep-engine,hisundar/ep-engine,owendCB/ep-engine,daverigby/ep-engine,owendCB/ep-engine,membase/ep-engine,couchbase/ep-engine,daverigby/ep-engine,owendCB/ep-engine,teligent-ru/ep-engine,membase/ep-engine,couchbase/ep-engine,jimwwalker/ep-engine,couchbase/ep-engine,hisundar/ep-engine,jimwwalker/ep-engine,daverigby/ep-engine,sriganes/ep-engine,teligent-ru/ep-engine,jimwwalker/ep-engine,sriganes/ep-engine,daverigby/ep-engine,hisundar/ep-engine