Modified locking on DatasetLifeCycleManager

Change-Id: Ia5ab435f53879ba1d08b6dee24eb4969c5ad16e3
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/206
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Young-Seok Kim <kisskys@gmail.com>
Reviewed-by: abdullah alamoudi <bamousaa@gmail.com>
14 files changed