Sync Shared/ActivityInstrumentationHelper

[Kielek]

Towards open-telemetry/opentelemetry-dotnet#5526

Changes

Sync Shared/ActivityInstrumentationHelper
based on https://github.com/open-telemetry/opentelemetry-dotnet/tree/89aa7a47ab070dda5a6eb470c352293cd366425c

Needed for SqlClient Instrumentation. Related to AOT compilation stuff.

For significant contributions please make sure you have completed the following items:

• [ ] Appropriate CHANGELOG.md updated for non-trivial changes
• [ ] Design discussion issue #
• [ ] Changes in public API reviewed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.61%. Comparing base (71655ce) to head (2b5b28f).
Report is 196 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1663      +/-   ##
==========================================
+ Coverage   73.91%   74.61%   +0.69%     
==========================================
  Files         267      263       -4     
  Lines        9615     9949     +334     
==========================================
+ Hits         7107     7423     +316     
- Misses       2508     2526      +18     

Flag	Coverage Δ
unittests-Exporter.Geneva	62.51% <ø> (?)
unittests-Exporter.OneCollector	89.72% <ø> (?)
unittests-Extensions	82.75% <ø> (?)
unittests-Instrumentation.AspNet	77.11% <ø> (?)
unittests-Instrumentation.EventCounters	76.36% <ø> (?)
unittests-Instrumentation.Owin	83.43% <ø> (?)
unittests-Instrumentation.Process	100.00% <ø> (?)
unittests-Instrumentation.Runtime	100.00% <ø> (?)
unittests-Instrumentation.StackExchangeRedis	71.00% <ø> (?)
unittests-Instrumentation.Wcf	78.47% <ø> (?)
unittests-PersistentStorage	65.44% <ø> (?)
unittests-ResourceDetectors.Azure	81.53% <ø> (?)
unittests-ResourceDetectors.Host	54.11% <ø> (?)
unittests-ResourceDetectors.Process	100.00% <ø> (?)
unittests-ResourceDetectors.ProcessRuntime	76.08% <ø> (?)
unittests-Solution	79.67% <ø> (?)

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see 210 files with indirect coverage changes