Automatic merge from submit-queue (batch tested with PRs 49971, 51357, 51616, 51649, 51372)
CPU manager wiring and `none` policy
Blocker for CPU manager #49186 (4 of 6)
* Previous PR in this series: #51140
* Next PR in this series: #51180
cc @balajismaniam @derekwaynecarr @sjenning
**Release note**:
```release-note
NONE
```
TODO:
- [X] In-memory CPU manager state
- [x] Kubelet config value
- [x] Feature gate
- [X] None policy
- [X] Unit tests
- [X] CPU manager instantiation
- [x] Calls into CPU manager from Kubelet container runtime
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