[Exporter] Group spans by resource and instrumentation scope in OTLP … #8577

Job	Run time
CMake clang 14 (maintainer mode, async)	17m 19s
CMake test (with abseil)	9m 2s
CMake clang 14 (maintainer mode, sync)	25m 41s
CMake gcc 12 (maintainer mode, async)	15m 15s
CMake gcc 12 (maintainer mode, C++11, async)	10m 48s
CMake gcc 12 (maintainer mode, sync)	13m 40s
CMake msvc (maintainer mode)	10m 2s
CMake test (with opentracing-shim)	6m 22s
CMake test (without otlp-exporter)	8m 21s
CMake test (without otlp-exporter and with async export)	6m 53s
Bazel asan config	11m 35s
Bazel noexcept	17m 57s
Bazel nortti	20m 53s
Bazel on MacOS	26m 7s
Bazel	27m 24s
Bazel with async export	20m 7s
Bazel tsan config	21m 41s
Bazel valgrind	31m 50s
Bazel with external abseil	28m 49s
CMake gcc 4.8 (with otlp exporter)	14m 43s
CMake do not install test (with otlp-exporter)	22m 5s
CMake gcc 4.8 (without otlp exporter)	8m 9s
CMake install test (with abseil)	7m 43s
CMake test (with modern protobuf,grpc and abseil)	30m 38s
CMake test (build shared libraries with otlp-exporter and static gRPC)	21m 44s
CMake test (with otlp-exporter)	21m 2s
CMake C++20 test(Clang with libc++)	11m 17s
CMake C++20 test(GCC)	12m 21s
Plugin -> CMake	1m 25s
Benchmark	12m 57s
Code coverage	14m 4s
Copyright	8s
DocFX check	2m 12s
Format	26s
markdown-lint	14s
misspell	5s
CMake -> exporter proto	16m 33s
Bazel Windows	36m 29s
Plugin -> CMake Windows	12m 52s
CMake (With async export) -> exporter proto	17m 57s
CMake -> exporter proto (Build as DLL)	17m 37s
	10h 12m 27s

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