feat: introduce kotlin usage tracking

[KristianDD]

PR Checklist

• The PR title follows our guidelines: https://github.com/NativeScript/NativeScript/blob/master/CONTRIBUTING.md#commit-messages.
• There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
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• Tests for the changes are included.

What is the current behavior?

Currently we do not tack data about Kotlin usage.

What is the new behavior?

We track data about Kotlin usage.

The PR also includes some fixes for our unit tests on Windows.

Fixes/Implements/Closes #5060