Update e2e-aws logic for 4.9
Update e2e-aws logic for 4.9

Update e2e-aws logic for 4.9.

Signed-off-by: Qi Wang <bcc9c0f3bdae19ba83bcc28773714626caad0902@redhat.com>

kubernetes-incubator/ocid,kubernetes-incubator/ocid,kubernetes-incubator/ocid