Automatic merge from submit-queue. 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>.

Add metadata to kubelet eviction event annotations

**What this PR does / why we need it**:
Add annotations to kubelet eviction events.  Annotations include 
"offending_containers" : comma-seperated list of containers.
"offending_containers_usage": comma-seperated list of usage.
"starved_resource": v1.ResourceName of the starved resource

**Special notes for your reviewer**:
Adding annotations to events required changing the `EventRecorder` interface to add a `AnnotatedEventf` function, which can add annotations to an event.

**Release note**:
```release-note
NONE
```
/assign @dchen1107 
cc @mwielgus @schylek @kgrygiel