Add telemetry to trackResourceHeaders instrumentation

[kikoveiga]

What does this PR do?

• Clone track_resource_headers schema in configuration-schema.json from rum-events-format repo.
• Add telemetry both through DatadogInterceptor and RumNetworkInstrumentation.

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

❌ Patch coverage is 68.96552% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.00%. Comparing base (7a4cd87) to head (b159598).

Files with missing lines	Patch %	Lines
...droid/internal/telemetry/InternalTelemetryEvent.kt	0.00%	3 Missing ⚠️
...internal/net/NetworkInstrumentationTelemetryExt.kt	62.50%	1 Missing and 2 partials ⚠️
...roid/rum/internal/net/RumNetworkInstrumentation.kt	66.67%	0 Missing and 1 partial ⚠️
...ndroid/telemetry/internal/TelemetryEventHandler.kt	85.71%	0 Missing and 1 partial ⚠️
...n/com/datadog/android/okhttp/DatadogInterceptor.kt	66.67%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3403      +/-   ##
===========================================
- Coverage    72.04%   72.00%   -0.03%     
===========================================
  Files          960      961       +1     
  Lines        35309    35401      +92     
  Branches      5851     5876      +25     
===========================================
+ Hits         25435    25490      +55     
- Misses        8276     8298      +22     
- Partials      1598     1613      +15     

Files with missing lines	Coverage Δ
.../rum/internal/monitor/AdvancedNetworkRumMonitor.kt	25.00% <ø> (ø)
.../android/rum/internal/monitor/DatadogRumMonitor.kt	86.55% <100.00%> (+0.56%)	⬆️
...dog/android/telemetry/internal/TelemetryEventId.kt	93.75% <100.00%> (-6.25%)	⬇️
...atadog/android/telemetry/internal/TelemetryType.kt	100.00% <100.00%> (ø)
...roid/rum/internal/net/RumNetworkInstrumentation.kt	83.87% <66.67%> (ø)
...ndroid/telemetry/internal/TelemetryEventHandler.kt	87.93% <85.71%> (-2.44%)	⬇️
...n/com/datadog/android/okhttp/DatadogInterceptor.kt	81.01% <66.67%> (-0.11%)	⬇️
...droid/internal/telemetry/InternalTelemetryEvent.kt	19.15% <0.00%> (-1.31%)	⬇️
...internal/net/NetworkInstrumentationTelemetryExt.kt	62.50% <62.50%> (ø)

... and 36 files with indirect coverage changes

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