Add possibility to skip adding load balancer name in the hosts file

[JRaver]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test

/kind feature

/kind flake

What this PR does / why we need it:
This PR allows for skipping to add an API load balancer name in /etc/hosts.
Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Add an option (`populate_loadbalancer_apiserver_to_hosts_file`) to skip adding load balancer name in the hosts file

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: JRaver / name: Eugene Artemenko (7ccd28e)

[k8s-ci-robot]

Hi @JRaver. Thanks for your PR.

I'm waiting for a kubernetes-sigs 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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[oomichi]

/ok-to-test
/lgtm

[floryut]

@JRaver Thank you 👍

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floryut, JRaver

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