tree db8fa0408c24ba6d10befcc9bcff929ac96ead16
parent 5b8310e4455cd59fef65e23d2725ea36d72a8372
author A R Karthick <kramanar@ciena.com> 1504316947 -0700
committer A R Karthick <kramanar@ciena.com> 1504316947 -0700

Support to disable voltha teardown after tests.
One can just re-run the test again if existing configuration exists in voltha.

Change-Id: I4c85097a8324ffa5923a7491da25968f14067fb3