fix(app, json-schema): admob_delay_app_measurement_init type is boolean

[mikehardy]

Description

Fixes #5295 - credit @DoctorJohn thanks!

Commit message says it all, more details in linked issue if needed

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

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[codecov]

Codecov Report

Merging #5297 (691e0a6) into master (34344dd) will decrease coverage by 2.88%.
The diff coverage is n/a.

❗ Current head 691e0a6 differs from pull request most recent head dbaf209. Consider uploading reports for the commit dbaf209 to get more accurate results

@@            Coverage Diff             @@
##           master    #5297      +/-   ##
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- Coverage   82.99%   80.11%   -2.87%     
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  Files         109      109              
  Lines        4137     4137              
  Branches      439      439              
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- Hits         3433     3314     -119     
- Misses        657      752      +95     
- Partials       47       71      +24