[WIP] Synchronous Gauge #8595

Job	Run time
Bazel asan config	12m 28s
Bazel noexcept	17m 54s
Bazel nortti	29m 20s
Bazel on MacOS	27m 29s
Bazel	22m 33s
Bazel with async export	20m 15s
Bazel tsan config	19m 35s
Bazel valgrind	24m 41s
Bazel with external abseil	20m 19s
Benchmark	13m 7s
CMake test (with abseil)	6m 5s
CMake clang 14 (maintainer mode, async)	14m 48s
CMake clang 14 (maintainer mode, sync)	15m 3s
CMake do not install test (with otlp-exporter)	25m 12s
CMake gcc 4.8 (with otlp exporter)	17m 40s
CMake gcc 4.8 (without otlp exporter)	5m 44s
CMake gcc 12 (maintainer mode, async)	9m 44s
CMake gcc 12 (maintainer mode, sync)	11m 21s
CMake gcc 12 (maintainer mode, C++11, async)	9m 35s
CMake install test (with abseil)	6m 39s
CMake test (with modern protobuf,grpc and abseil)	27m 55s
CMake msvc (maintainer mode)	7m 52s
CMake test (with opentracing-shim)	7m 27s
CMake test (build shared libraries with otlp-exporter and static gRPC)	19m 8s
CMake test (with otlp-exporter)	22m 1s
CMake test (without otlp-exporter)	6m 26s
CMake C++14 test(GCC)	7m 4s
CMake C++17 test(GCC)	6m 43s
CMake C++20 test(Clang with libc++)	16m 36s
CMake C++20 test(GCC)	13m 23s
CMake test (without otlp-exporter and with async export)	6m 14s
Code coverage	12m 48s
Copyright	10s
DocFX check	1m 23s
Format	17s
markdown-lint	9s
misspell	5s
Plugin -> CMake	1m 6s
CMake -> exporter proto	18m 17s
Bazel Windows	41m 30s
CMake (With async export) -> exporter proto	17m 26s
Plugin -> CMake Windows	8m 57s
CMake -> exporter proto (Build as DLL)	16m 55s
	9h 49m 24s

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