Automatic merge from submit-queue

Node Conformance Test: Move namespace controller to services

For #30122, #30174.
Based on #30116, #30198.

**Please only review the 3rd PR.**

This PR is part of our roadmap to package node conformance test.
The 1st commit is from #30116, which started e2e services in a separate process.
The 2nd commit is from #30198, it statically linked etcd into the node e2e framework.

The 3rd commit is new, it moved namespace controller into e2e services.

@dchen1107 @vishh 
/cc @kubernetes/sig-node @kubernetes/sig-testing