Fix/metric emission tracking #2825 #1620

Job	Run time
clang-compile-with-bazel	15m 53s
clang-compile-with-bazel-all-options	16m 54s
clang-compile-with-boringssl	18m 15s
clang-compile-with-cmake	2m 50s
clang-compile-with-cmake-all-options	5m 18s
clang-compile-with-make	3m 16s
clang-compile-with-make-all-options	5m 19s
clang-unittest	16m 8s
gcc-compile-with-bazel	16m 58s
gcc-compile-with-boringssl	18m 8s
gcc-compile-with-bazel-all-options	18m 13s
gcc-compile-with-cmake	3m 26s
gcc-compile-with-cmake-all-options	5m 46s
gcc-compile-with-make	2m 50s
gcc-compile-with-make-all-options	5m 33s
	2h 34m 47s

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