[WIP] Synchronous Gauge #8591

Job	Run time
Bazel nortti	20m 35s
Bazel asan config	14m 5s
Bazel noexcept	19m 13s
Bazel on MacOS	27m 36s
Bazel	20m 22s
Bazel with async export	18m 55s
Bazel tsan config	20m 26s
Bazel valgrind	31m 17s
Bazel with external abseil	23m 55s
Benchmark	14m 48s
CMake test (with abseil)	9m 3s
CMake clang 14 (maintainer mode, async)	23m 18s
CMake clang 14 (maintainer mode, sync)	18m 9s
CMake do not install test (with otlp-exporter)	24m 57s
CMake gcc 4.8 (with otlp exporter)	17m 27s
CMake gcc 4.8 (without otlp exporter)	6m 14s
CMake gcc 12 (maintainer mode, async)	10m 44s
CMake gcc 12 (maintainer mode, C++11, async)	14m 14s
CMake gcc 12 (maintainer mode, sync)	11m 8s
CMake install test (with abseil)	7m 41s
CMake test (with modern protobuf,grpc and abseil)	27m 14s
CMake msvc (maintainer mode)	14m 17s
CMake test (with opentracing-shim)	6m 30s
CMake test (build shared libraries with otlp-exporter and static gRPC)	21m 13s
CMake test (with otlp-exporter)	21m 52s
CMake test (without otlp-exporter)	8m 45s
CMake C++14 test(GCC)	5m 53s
CMake C++17 test(GCC)	8m 44s
CMake C++20 test(Clang with libc++)	17m 4s
CMake C++20 test(GCC)	15m 46s
CMake test (without otlp-exporter and with async export)	7m 40s
Code coverage	13m 30s
Copyright	8s
DocFX check	1m 18s
Format	18s
markdown-lint	9s
misspell	10s
Plugin -> CMake	1m 46s
CMake -> exporter proto	18m 10s
Bazel Windows	42m 59s
Plugin -> CMake Windows	10m 2s
CMake (With async export) -> exporter proto	16m 58s
CMake -> exporter proto (Build as DLL)	18m 24s
	10h 32m 57s

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