Corrected importing of contrailService for server manager
Corrected importing of contrailService for server manager

Change-Id: I753b04a4b98e95aa8d4603b96f11dd2885cf69f6
Related-bug: #1634094

biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core,nagakiran/contrail-web-core,nagakiran/contrail-web-core,nagakiran/contrail-web-core