Work around missing `TCGETS2`/`TCSETS2` on WSL and Android. #4179

Job	Run time
Rustfmt	6s
Check --no-default-features (nightly)	56s
Check nightly-only targets (nightly)	23s
Check (stable)	4m 38s
Check selected Tier 3 platforms (nightly)	2m 29s
Check (nightly)	4m 9s
Check (1.63)	8m 31s
Test rustix_use_experimental_asm (powerpc64le-linux)	1m 4s
Test (ubuntu)	41s
Test (ubuntu-20.04)	44s
Test use-libc (ubuntu)	36s
Test (i686-linux)	1m 1s
Test use-libc (i686-linux)	1m 17s
Test (aarch64-linux)	1m 10s
Test use-libc (aarch64-linux)	1m 3s
Test (powerpc64le-linux)	1m 10s
Test (riscv64-linux)	1m 3s
Test use-libc (powerpc64le-linux)	59s
Test (s390x-linux)	1m 44s
Test use-libc (riscv64-linux)	1m 2s
Test (arm-linux)	1m 4s
Test use-libc (arm-linux)	1m 24s
Test (ubuntu-stable)	38s
Test (i686-linux-stable)	52s
Test (aarch64-linux-stable)	1m 1s
Test (riscv64-linux-stable)	1m 0s
Test (s390x-linux-stable)	1m 1s
Test (powerpc64le-linux-stable)	1m 3s
Test (arm-linux-stable)	1m 14s
Test (ubuntu-1.63)	3m 28s
Test (i686-linux-1.63)	3m 40s
Test (aarch64-linux-1.63)	3m 50s
Test (riscv64-linux-1.63)	3m 42s
Test (s390x-linux-1.63)	3m 51s
Test (powerpc64le-linux-1.63)	3m 54s
Test (arm-linux-1.63)	3m 52s
Test (macos-latest)	16m 52s
Test (macos-12)	17m 55s
Test (windows)	42s
Test (windows-2019)	51s
Test (musl)	37s
	1h 47m 17s

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