Automatic merge from submit-queue (batch tested with PRs 41145, 38771, 41003, 41089, 40365)

Use privileged containers for statefulset e2e tests

Test containers need to run as spc_t in order to interact with the host
filesystem under /tmp, as the tests for StatefulSet are doing. Docker
will transition the container into this domain when running the container
as privileged.
Signed-off-by: Steve Kuznetsov <skuznets@redhat.com>

**Release note**:
```release-note
NONE
```

/cc @ncdc @soltysh @pmorie