For #7503 - Show Start browsing cfr at fresh install

[iorgamgabriel]

Pull Request checklist

• [x] Tests: This PR includes thorough tests or an explanation of why it does not
• [ ] Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• [x] Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features. In addition, it includes a screenshot of a successful accessibility scan to ensure no new defects are added to the product.

QA

• [x] QA Needed

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1. click on Show All Checks,
2. click Details next to build-focus-debug or build-klar-debug for changes targeting Klar,
3. click View task in Taskcluster,
4. click the Artifacts row,
5. click to download any of the apks listed here which use an appropriate name for each CPU architecture.

GitHub Automation

Fixes #7503