[BUILD] Fix variable shadow #9054

Job	Run time
Bazel noexcept	11m 52s
Bazel nortti	13m 4s
Bazel asan config	14m 52s
Bazel on MacOS	13m 43s
Bazel	12m 44s
Bazel with async export	12m 45s
Bazel tsan config	12m 58s
Bazel valgrind	13m 58s
Bazel with external abseil	13m 1s
Benchmark	8m 6s
CMake test (with abseil)	4m 40s
CMake clang 14 (maintainer mode, abiv2)	13m 53s
CMake clang 14 (maintainer mode, async)	13m 38s
CMake clang 14 (maintainer mode, sync)	13m 50s
CMake do not install test (with otlp-exporter)	13m 28s
CMake gcc 12 (maintainer mode, async)	8m 8s
CMake gcc 12 (maintainer mode, sync)	8m 8s
CMake install test (with abseil)	4m 30s
CMake test (with modern protobuf,grpc and abseil)	18m 52s
CMake msvc (maintainer mode)	7m 38s
CMake msvc (maintainer mode) with C++20	7m 50s
CMake test (with opentracing-shim)	5m 10s
CMake test (build shared libraries with otlp-exporter and static gRPC)	13m 45s
CMake test (with otlp-exporter)	13m 37s
CMake test (without otlp-exporter)	4m 54s
CMake C++14 test(GCC)	3m 59s
CMake C++17 test(GCC)	4m 51s
CMake C++20 test(Clang with libc++)	9m 45s
CMake C++20 test(GCC)	8m 17s
CMake test (without otlp-exporter and with async export)	6m 9s
Code coverage	11m 54s
Copyright	8s
DocFX check	1m 4s
Format	25s
markdown-lint	7s
misspell	4s
Plugin -> CMake	1m 15s
Bazel Windows	20m 35s
CMake -> exporter proto	12m 0s
Plugin -> CMake Windows	6m 12s
CMake (With async export) -> exporter proto	11m 50s
CMake -> exporter proto (Build as DLL)	19m 7s
	6h 36m 46s

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