Fix QE UT coverage failure: Accessing uninitialized members in ~CdbIf() results in segmentation fault.
Fix QE UT coverage failure: Accessing uninitialized members in ~CdbIf() results in segmentation fault.

Change-Id: I65fe929c7459b7266dca343e4b04a57e33b8110e

nischalsheth/contrail-controller,hthompson6/contrail-controller,rombie/contrail-controller,vpramo/contrail-controller,nischalsheth/contrail-controller,reiaaoyama/contrail-controller,cloudwatt/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,cloudwatt/contrail-controller,vmahuli/contrail-controller,eonpatapon/contrail-controller,numansiddique/contrail-controller,codilime/contrail-controller,facetothefate/contrail-controller,tcpcloud/contrail-controller,eonpatapon/contrail-controller,vmahuli/contrail-controller,DreamLab/contrail-controller,cloudwatt/contrail-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,varunarya10/contrail-controller,facetothefate/contrail-controller,vpramo/contrail-controller,hthompson6/contrail-controller,numansiddique/contrail-controller,codilime/contrail-controller,sajuptpm/contrail-controller,sajuptpm/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,srajag/contrail-controller,codilime/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,facetothefate/contrail-controller,numansiddique/contrail-controller,varunarya10/contrail-controller,vmahuli/contrail-controller,Juniper/contrail-dev-controller,cloudwatt/contrail-controller,codilime/contrail-controller,hthompson6/contrail-controller,rombie/contrail-controller,Juniper/contrail-dev-controller,Juniper/contrail-dev-controller,tcpcloud/contrail-controller,varunarya10/contrail-controller,Juniper/contrail-dev-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,srajag/contrail-controller,hthompson6/contrail-controller,tcpcloud/contrail-controller,numansiddique/contrail-controller,facetothefate/contrail-controller,tcpcloud/contrail-controller,nischalsheth/contrail-controller,reiaaoyama/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,varunarya10/contrail-controller,srajag/contrail-controller,numansiddique/contrail-controller,DreamLab/contrail-controller,rombie/contrail-controller,hthompson6/contrail-controller,codilime/contrail-controller,vmahuli/contrail-controller,DreamLab/contrail-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller,rombie/contrail-controller,srajag/contrail-controller,eonpatapon/contrail-controller,DreamLab/contrail-controller,varunarya10/contrail-controller,vmahuli/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,srajag/contrail-controller,DreamLab/contrail-controller,sajuptpm/contrail-controller,cloudwatt/contrail-controller,vpramo/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller,facetothefate/contrail-controller,Juniper/contrail-dev-controller,eonpatapon/contrail-controller