Make the comparators as array in auto-generated UI Config Schema.
Make the comparators as array in auto-generated UI Config Schema.

Change-Id: I41034da6196faa27596bf6b354e0f22a3b4d63af
Related-Bug: #1733415

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