fix(app, android): fixes possible crash on first launch

[JiboStore]

Description

Fix crash on first run on Android-11 when context.getExternalFilesDir(null); returns null

Related issues

Fixes #4979

Release Summary

PR title

Checklist

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • Yes
• My change supports the following platforms;
  • Android
  • iOS
• My change includes tests;
  • e2e tests added or updated in packages/\*\*/e2e
  • jest tests added or updated in packages/\*\*/__tests__
• I have updated TypeScript types that are affected by my change.
• This is a breaking change;
  • Yes
  • No

Test Plan

---

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[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #4990 (820bb47) into master (0506703) will not change coverage.
The diff coverage is n/a.

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##           master    #4990   +/-   ##
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  Coverage   88.99%   88.99%           
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  Files         109      109           
  Lines        3721     3721           
  Branches      348      348           
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  Hits         3311     3311           
  Misses        369      369           
  Partials       41       41           

[mikehardy]

Hi @JiboStore - thank you for this!

Can you follow the information here to sign the CLA? We can't merge without that step #4990 (comment)

[mikehardy]

@JiboStore not to pester, I just know things get lost in all the notifications we all get. And you've done great work here, I'd like to merge it in but need the CLA signed - see above for instructions. Cheers!

[JiboStore]

@mikehardy I have signed the CLA, on my side, it shows that Contributor License Agreement is signed. and all checkmarks are green. I wonder if there is some other steps I missed?

[mikehardy]

I think it was I who missed it! Everything does look green thank you!