MB-12820: Set AccessScannerTask's runtime to 2AM GMT
MB-12820: Set AccessScannerTask's runtime to 2AM GMT

This is to make it consistent with documentation.

Change-Id: Ib6e6c2aed5f7d1beb5cf52d370845330ac879074
Reviewed-on: http://review.couchbase.org/43978
Reviewed-by: Chiyoung Seo <fcffc23db27b19ee4ebba46695ee6b50e09216a2@couchbase.com>
Tested-by: abhinav dangeti <d73ef2279de6577f7bf081737ee47554bbb7dc82@couchbase.com>

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