[build-tools] Add screen recording metadata marker

[sjchmiela]

Didn't realize haven't pushed this commit before merging.

#3994

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[github-actions]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.67%. Comparing base (6d02728) to head (4eedc55).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3996   +/-   ##
=======================================
  Coverage   59.67%   59.67%           
=======================================
  Files         940      940           
  Lines       41260    41260           
  Branches     8666     8666           
=======================================
  Hits        24617    24617           
  Misses      16549    16549           
  Partials       94       94           

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