Automatic merge from submit-queue
tests: update memory resource limits
```release-note
NONE
```
On ubuntu, the `RestartNever` test OOMs its cgroup limit fairly
frequently.
This bumps the number up to something suitably large since the test
isn't testing anything related to this anyways.
Fixes#36159
Fix based on https://github.com/kubernetes/kubernetes/issues/36159#issuecomment-258992255
cc @yujuhong @saad-ali