Added sub-step logging to adm init step on start

[spowelljr]

Fixes: #9779

Added StartCmd and WaitCmd to CommandRunner interface to allow real-time streaming of logs.
Used these two new methods to add sub-step logging to adm init on start, these steps also output to JSON.

😄  minikube v1.15.1 on Darwin 10.15.7
✨  Automatically selected the docker driver. Other choices: hyperkit, virtualbox
👍  Starting control plane node minikube in cluster minikube
🔥  Creating docker container (CPUs=2, Memory=4000MB) ...
🐳  Preparing Kubernetes v1.19.4 on Docker 19.03.13 ...
    ▪ Generating certificates and keys ...
    ▪ Booting up control plane ...
    ▪ Configuring RBAC rules ...
🔎  Verifying Kubernetes components...
🌟  Enabled addons: storage-provisioner, default-storageclass
🏄  Done! kubectl is now configured to use "minikube" cluster and "default" namespace by default

[k8s-ci-robot]

Hi @spowelljr. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[minikube-bot]

Can one of the admins verify this patch?

[medyagh]

lets add integration test to error_spam_test

https://github.com/medyagh/minikube/blob/f3be305abb7c609130b6957b2b63ae924113770f/test/integration/error_spam_test.go#L49

[medyagh]

ensure to run make generate-docs after the PR

[medyagh]

let ensrue the sub steps are spining by adding a Spining Option step

https://github.com/kubernetes/minikube/pull/9855/files#diff-614f56281479070028b2bb0d9723438cf084ca2e38a836a571d9ec46476e0ee8R111

[medyagh]

thanks for adding unit test and great work, I approve this PR after all other reviews are approved.

final approve leaving for @tstromberg or @priyawadhwa

[tstromberg]

Approved with minor nit.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: medyagh, spowelljr, tstromberg

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