Use runtime intrinsic to count leading zero (#3574)
Use runtime intrinsic to count leading zero (#3574)

* Use runtime intrinsics to count leading zero

* Fix using order

* Add correct guard for using

* Exclude non-applicable tests

* Revert "Exclude non-applicable tests"

This reverts commit 6991fec04a64d022d404c583f04e5d89b34c4f80.
open-telemetry/opentelemetry-dotnet,open-telemetry/opentelemetry-dotnet,open-telemetry/opentelemetry-dotnet