Fix TSAN-reported data race with uncache_aggressiveness (#12753) #1996

Job	Run time
build-linux	16m 30s
build-linux-cmake-with-benchmark	18m 21s
build-linux-cmake-with-folly	26m 4s
build-linux-cmake-mingw	11m 59s
build-linux-cmake-with-folly-coroutines	28m 15s
build-linux-cmake-with-folly-lite-no-test	7m 47s
build-linux-encrypted_env-no_compression	15m 33s
build-linux-gcc-7-with-folly	24m 52s
build-linux-gcc-7-with-folly-lite-no-test	7m 48s
check-format-and-targets	22s
build-examples	10m 38s
build-fuzzers	8m 26s
build-linux-clang10-asan	16m 10s
build-linux-clang10-clang-analyze	16m 50s
build-linux-clang10-ubsan	15m 55s
build-linux-clang-13-no_test_run	7m 6s
build-linux-clang-no_test_run	11m 20s
build-linux-gcc-10-cxx20-no_test_run	9m 3s
build-linux-gcc-11-no_test_run	9m 46s
build-linux-gcc-8-no_test_run	8m 31s
build-linux-mini-crashtest	29m 43s
build-linux-release	14m 10s
build-linux-release-rtti	12m 8s
build-linux-unity-and-headers	12m 52s
build-linux-clang10-mini-tsan	23m 21s
build-linux-arm	15m 11s
build-linux-java	14m 48s
build-linux-java-pmd	11m 52s
build-linux-java-static	12m 19s
build-macos	22m 8s
build-linux-static_lib-alt_namespace-status_checked	18m 22s
build-macos-cmake (true)	35m 15s
build-macos-cmake (false)	50m 40s
build-macos-java	13m 52s
build-macos-java-static	19m 13s
build-macos-java-static-universal	25m 15s
build-windows-vs2019	51m 48s
	10h 54m 13s

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