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[Kubelet] Use the custom mounter script for Nfs and Glusterfs only

This patch reduces the scope for the containerized mounter to NFS and GlusterFS on GCE + GCI clusters

This patch also enabled the containerized mounter on GCI nodes

Shepherding multiple PRs through the submit queue is painful. Hence I combined them into this PR. Please review each commit individually.

cc @jingxu97 @saad-ali

https://github.com/kubernetes/kubernetes/pull/35652 has also been reverted as part of this PR

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pod and qos level cgroup support

```release-note
[Kubelet] Add alpha support for `--cgroups-per-qos` using the configured `--cgroup-driver`. Disabled by default.
```

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Bump GCI version to gci-dev-56-8938-0-0 for k8s v1.5

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In error, the first letter should be lowcase

**What this PR does / why we need it**:
Fix the typo of the first letter in error

**Special notes for your reviewer**:
Reference here: https://github.com/golang/go/wiki/CodeReviewComments#error-strings

Signed-off-by: YuPengZTE yu.peng36@zte.com.cn

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Fix collisions between different etcds during migration.

Ref #20504

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Move Statefulset (previously PetSet) to v1beta1

**What this PR does / why we need it**: #28718

**Which issue this PR fixes** _(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)_: fixes #

**Special notes for your reviewer**: depends on #35663 (PetSet rename)
cc @erictune @foxish @kubernetes/sig-apps 

**Release note**:

``` release-note
v1beta1/StatefulSet replaces v1alpha1/PetSet.
```

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Fix typo in docs/devel/godep.md

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Retry "godep restore" once in verify-dockerized.sh

This should fix #36110. The current flake rate is 0.5%, so with the
unrealistic assumption of uncorrelated flakes, a single retry will bring
it down to <0.01% flake rate.

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Remove a few versioned-warnings that snuck in

Some pending PRs still have this in them.

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fix verify-bazel.sh on mac and windows

mac bash doesn't like |& because mac bash is really old. the formating of wc
is also slightly different then on linux.


```console
$ # on linux
$ echo -n | wc -l
0
$ # on mac
$ echo -n | wc -l
       0
```

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Moving annotation to the PodTemplateSpec

**What this PR does / why we need it**: Fixes broken tests.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #35768

**Special notes for your reviewer**: 
Tested locally.

```release-note
NONE
```

cc @kubernetes/sig-apps

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[Federation][init] Implement `kubefed init` command that performs federation control plane bootstrap.

Please review only the last commit here. This is based on PR #35593 which will be reviewed independently.

I am intentionally not including the unit tests in this PR to better distribute and parallelize reviews. This PR is already big.

I will add a release note separately for this entire feature, so please don't worry too much about the release note here in the PR.

Design Doc: PR #34484

cc @kubernetes/sig-cluster-federation @quinton-hoole @nikhiljindal

Move godeps to version v74 instead of v73

Ensure verify-godep passes godep to godep-save

Fix godep to v73 in verify-godeps

Revert "Add missing vendor files to make godeps happy"

Add missing vendor files to make godeps happy

This should fix #36110. The current flake rate is 0.5%, so with the
unrealistic assumption of uncorrelated flakes, a single retry will bring
it down to <0.01% flake rate.

Hard code godep version to v74

See issue #36111

This reverts commit 765f7b94.

This reverts commit e861a576.

Added a retry for rkt gc just to be safe.
Signed-off-by: Vishnu Kannan <vishnuk@google.com>

Signed-off-by: Vishnu Kannan <vishnuk@google.com>

Manually remove generated apps/v1alpha1 types, protobuf, and api-reference doc files
Manually remove apps/v1alpha1 folder from 1.5 generated client

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kubeadm: Fix preflight check failure on node join.

We recently improved this to tolerate existence of things like
/etc/kubernetes/manifests/ as an empty dir, but forgot to do so for the
join pre-flight checks where it is also failing.

Instead ensure only the sub-directories and files we need are available.

CC @luxas @kubernetes/sig-cluster-lifecycle

Automatic merge from submit-queue

[Federation][(Un)join-01] Refactor common functions and structs into a util package.

Please review only the last commit here. This is based on PR #35495 which will be reviewed independently.

Design Doc: PR #34484

cc @kubernetes/sig-cluster-federation @quinton-hoole @nikhiljindal

Remove kube::build::build_image_built() check.

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[Federation][unjoin-00] Implement `kubefed unjoin` command.

Please review only the last commit here. This is based on PR #35493 which will be reviewed independently.

I will add a release note separately for this entire feature, so please don't worry too much about the release note here in the PR.

Design Doc: PR #34484

cc @kubernetes/sig-cluster-federation @quinton-hoole @nikhiljindal