[SDK] Base2 exponential histogram aggregation #11542

Job	Run time
CMake gcc 14 (maintainer mode, sync)	17m 4s
CMake test (prometheus, elasticsearch, zipkin)	5m 26s
CMake test (with opentracing-shim)	4m 41s
CMake clang 18 (maintainer mode, abiv2)	18m 44s
CMake msvc (maintainer mode) with C++20	49m 59s
CMake test (without otlp-exporter and with async export)	6m 22s
CMake msvc (maintainer mode, abiv2)	51m 38s
CMake C++17 test(GCC)	4m 49s
CMake msvc (maintainer mode)	52m 35s
CMake C++20 test(GCC)	9m 38s
CMake clang 18 (maintainer mode, sync)	18m 36s
CMake clang 18 (maintainer mode, async)	20m 15s
CMake C++14 test(GCC)	4m 16s
CMake gcc 14 (maintainer mode, async)	18m 11s
Bazel valgrind	8m 54s
Bazel noexcept	5m 30s
DocFX check	58s
CMake test (build shared libraries with otlp-exporter and static gRPC)	12m 40s
Plugin -> CMake Windows	47m 12s
Bazel on MacOS	12m 33s
CMake -> exporter proto	54m 43s
Benchmark	2m 14s
CMake C++23 test(GCC)	10m 36s
Bazel asan config	8m 7s
CMake test (with modern protobuf,grpc and abseil)	18m 19s
CMake do not install test (with otlp-exporter)	12m 48s
Format	26s
Bazel Windows	34m 52s
Bazel	19m 41s
CMake -> exporter proto (Build as DLL)	1h 1m 43s
CMake test (with otlp-exporter)	14m 12s
Bazel with async export	18m 36s
Bazel without bzlmod	6m 10s
shellcheck	7s
W3C Distributed Tracing Validation V1	4m 41s
misspell	5s
markdown-lint	8s
Plugin -> CMake	1m 20s
Code coverage	13m 33s
CMake C++20 test(Clang with libc++)	10m 38s
CMake C++23 test(Clang with libc++)	10m 42s
Bazel nortti	5m 51s
Bazel tsan config	6m 5s
CMake (With async export) -> exporter proto	47m 3s
Copyright	8s
	12h 12m 49s

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