Preparatory work for kotlin api

[fractalwrench]

Goal

Creates some wrappers + fakes that are required to move over to using the Kotlin API.

Testing

This will be covered by existing tests once the internal implementation uses these objects.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 32 lines in your changes missing coverage. Please review.

Project coverage is 85.20%. Comparing base (eb9c77f) to head (1ede78f).
Report is 2 commits behind head on integration/kotlin-otel-api.

Files with missing lines	Patch %	Lines
...k/internal/otel/wrapper/KotlinTraceStateWrapper.kt	0.00%	13 Missing ⚠️
.../internal/otel/wrapper/KotlinSpanContextWrapper.kt	0.00%	7 Missing ⚠️
...d/embracesdk/internal/otel/KotlinApiConversions.kt	0.00%	6 Missing ⚠️
...k/internal/otel/wrapper/KotlinTraceFlagsWrapper.kt	0.00%	5 Missing ⚠️
...ce/android/embracesdk/internal/otel/sdk/OtelExt.kt	0.00%	1 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (50.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@                       Coverage Diff                       @@
##           integration/kotlin-otel-api    #2198      +/-   ##
===============================================================
- Coverage                        85.47%   85.20%   -0.28%     
===============================================================
  Files                              467      470       +3     
  Lines                            10416    10448      +32     
  Branches                          1532     1534       +2     
===============================================================
- Hits                              8903     8902       -1     
- Misses                             853      885      +32     
- Partials                           660      661       +1     

Files with missing lines	Coverage Δ
...ce/android/embracesdk/internal/otel/sdk/OtelExt.kt	73.17% <0.00%> (-1.83%)	⬇️
...k/internal/otel/wrapper/KotlinTraceFlagsWrapper.kt	0.00% <0.00%> (ø)
...d/embracesdk/internal/otel/KotlinApiConversions.kt	42.10% <0.00%> (-19.44%)	⬇️
.../internal/otel/wrapper/KotlinSpanContextWrapper.kt	0.00% <0.00%> (ø)
...k/internal/otel/wrapper/KotlinTraceStateWrapper.kt	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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[bidetofevil]

LGTM. I did similar fakes in my test usage in opentelemetry-android so maybe we should have a repo that contains those.