[WIP] Synchronous Gauge #8779

Job	Run time
Bazel nortti	12m 15s
Bazel asan config	11m 55s
Bazel on MacOS	15m 59s
Bazel noexcept	11m 56s
Bazel	12m 45s
Bazel with async export	12m 33s
Bazel tsan config	13m 10s
Bazel valgrind	14m 36s
Bazel with external abseil	12m 44s
Benchmark	7m 59s
CMake test (with abseil)	4m 15s
CMake clang 14 (maintainer mode, abiv2)	13m 30s
CMake clang 14 (maintainer mode, async)	13m 34s
CMake clang 14 (maintainer mode, sync)	13m 35s
CMake do not install test (with otlp-exporter)	14m 10s
CMake gcc 12 (maintainer mode, async)	7m 58s
CMake gcc 12 (maintainer mode, sync)	7m 54s
CMake install test (with abseil)	4m 22s
CMake test (with modern protobuf,grpc and abseil)	18m 3s
CMake msvc (maintainer mode)	3m 44s
CMake test (with opentracing-shim)	4m 1s
CMake test (build shared libraries with otlp-exporter and static gRPC)	13m 16s
CMake test (without otlp-exporter)	4m 21s
CMake test (with otlp-exporter)	13m 23s
CMake C++14 test(GCC)	3m 54s
CMake C++17 test(GCC)	4m 27s
CMake C++20 test(Clang with libc++)	9m 0s
CMake C++20 test(GCC)	8m 0s
CMake test (without otlp-exporter and with async export)	4m 39s
Code coverage	10m 47s
Copyright	7s
DocFX check	49s
Format	11s
markdown-lint	8s
misspell	4s
Plugin -> CMake	55s
CMake -> exporter proto	15m 45s
Bazel Windows	22m 39s
Plugin -> CMake Windows	2m 45s
CMake (With async export) -> exporter proto	23m 14s
CMake -> exporter proto (Build as DLL)	16m 1s
	6h 25m 23s

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