RUM-13454: Reverting deprecated classes back to preserve backward compatibility

[satween]

What does this PR do?

1. Reverting some classes back in order of potential backward compatibility breaking changes
2. Fixes potential issue with buildResourceId method in case if customer will use different versions for okhttp and rum modules.
3. Fixes one flaky test with HTTP code 408 which lead to produce different behavior between okHttp and Cronet instrumentation

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)

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 31.11111% with 31 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.34%. Comparing base (c217ee7) to head (bbe2a2a).

Files with missing lines	Patch %	Lines
...id/okhttp/internal/utils/SpanSamplingIdProvider.kt	0.00%	7 Missing ⚠️
...datadog/android/okhttp/trace/TracingInterceptor.kt	33.33%	5 Missing and 1 partial ⚠️
...tadog/android/okhttp/internal/OkHttpRequestInfo.kt	68.75%	3 Missing and 2 partials ⚠️
.../android/okhttp/trace/DeterministicTraceSampler.kt	0.00%	5 Missing ⚠️
.../kotlin/com/datadog/android/okhttp/TraceContext.kt	0.00%	4 Missing ⚠️
...a/com/datadog/android/internal/network/HttpSpec.kt	0.00%	2 Missing ⚠️
...om/datadog/android/okhttp/TraceContextInjection.kt	0.00%	2 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##           release/3.7.0    #3215      +/-   ##
=================================================
- Coverage          71.43%   71.34%   -0.09%     
=================================================
  Files                933      937       +4     
  Lines              34596    34632      +36     
  Branches            5850     5861      +11     
=================================================
- Hits               24711    24707       -4     
- Misses              8245     8280      +35     
- Partials            1640     1645       +5     

Files with missing lines	Coverage Δ
...a/com/datadog/android/internal/network/HttpSpec.kt	86.36% <0.00%> (-2.01%)	⬇️
...om/datadog/android/okhttp/TraceContextInjection.kt	0.00% <0.00%> (ø)
.../kotlin/com/datadog/android/okhttp/TraceContext.kt	0.00% <0.00%> (ø)
...tadog/android/okhttp/internal/OkHttpRequestInfo.kt	81.08% <68.75%> (-10.59%)	⬇️
.../android/okhttp/trace/DeterministicTraceSampler.kt	0.00% <0.00%> (ø)
...datadog/android/okhttp/trace/TracingInterceptor.kt	82.04% <33.33%> (-1.34%)	⬇️
...id/okhttp/internal/utils/SpanSamplingIdProvider.kt	0.00% <0.00%> (ø)

... and 36 files with indirect coverage changes

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[satween]

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 2ff36dbde2

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• Mark a draft as ready
• Comment "@codex review".

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