Automatic merge from submit-queue (batch tested with PRs 63569, 63918, 63980, 63295, 63989). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

New event exporter config with support for new stackdriver resources

New event exporter, with support for use new and old stackdriver resource model.

This should also be cherry-picked to release-1.10 branch, as all  fluentd-gcp components support new and stackdriver resource model.

```release-note
Update event-exporter to version v0.2.0  that supports old (gke_container/gce_instance) and new (k8s_container/k8s_node/k8s_pod) stackdriver resources.
```