chore: Update ProGuard rules for ML Kit

[navaronbracke]

Investigating #1725

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.85%. Comparing base (9d93864) to head (571c80a).
⚠️ Report is 20 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1763      +/-   ##
===========================================
+ Coverage    60.40%   62.85%   +2.44%     
===========================================
  Files           48       48              
  Lines         1225     1233       +8     
===========================================
+ Hits           740      775      +35     
+ Misses         485      458      -27     

Flag	Coverage Δ
unittests	62.85% <ø> (+2.44%)	⬆️

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[juliansteenbakker]

Shouldn't it be { *; } instead of { ; } on all three lines? R8 fails to parse the rules file right now.

[navaronbracke]

Woops, yeah, typo. Fixed now

[juliansteenbakker]

There seemed to be an issue with the spaces used. I've replaced them for plain spaces, looks good to me now.