RUM-4710 Make sure network local spans have kind:client tag

[mariusc83]

What does this PR do?

A brief description of the change being made with this pull request.

Motivation

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Additional Notes

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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

All modified and coverable lines are covered by tests ✅

Project coverage is 69.97%. Comparing base (b36d867) to head (7420e6f).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2136      +/-   ##
===========================================
- Coverage    70.00%   69.97%   -0.04%     
===========================================
  Files          726      726              
  Lines        26972    26962      -10     
  Branches      4520     4519       -1     
===========================================
- Hits         18881    18864      -17     
+ Misses        6826     6823       -3     
- Partials      1265     1275      +10     

Files	Coverage Δ
...datadog/android/okhttp/trace/TracingInterceptor.kt	76.88% <100.00%> (+0.07%)	⬆️

... and 28 files with indirect coverage changes