[PRD-2083] Run full check in verify_networks task

Now complete check_networks task will be executed within verify_networks task.
Only network configuration check was executed before that (w/o interfaces mapping check).

Closes-Bug: #1246297
Change-Id: Id424be1a22fb0a16ff8fd7300e96623dfb598306
Merge "[PRD-2083] Run full check in verify_networks task"