RUM-517: Migrate Realm from KAPT to KSP

[0xnm]

What does this PR do?

This PR migrates Realm from KAPT to KSP usage. The only remaining piece which is using KAPT is Glide, but there is a blocker bumptech/glide#5328.

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

Merging #1794 (7f40869) into develop (c632c79) will decrease coverage by 0.01%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1794      +/-   ##
===========================================
- Coverage    83.44%   83.43%   -0.01%     
===========================================
  Files          466      466              
  Lines        16367    16372       +5     
  Branches      2453     2454       +1     
===========================================
+ Hits         13656    13659       +3     
  Misses        2042     2042              
- Partials       669      671       +2     

see 25 files with indirect coverage changes