Add contrail-docs dependency in contrail-analytics
Add contrail-docs dependency in contrail-analytics

contrail-analytics requires schema files that are coming from contrail-docs,
    hence we need to put contrail-docs dependency in contrail-analytics

Change-Id: I1344e76094e33ea0b946755f2a66eb5d60148bc0
Closes-Bug: #1665734

Juniper/contrail-packages,Juniper/contrail-packages