Cherry pick #912 [Handle cache.DeletedFinalStateUnknown] to release-1.7#918

Merged

k8s-ci-robot merged 1 commit intokubernetes:release-1.7from spencerhance:cherry-pick-912-release-1-7

Oct 26, 2019

+36-2

Commits on Oct 26, 2019

Handle cache.DeletedFinalStateUnknown in backend/frontend config delete event handlers
spencerhance
committed