Work around missing `TCGETS2`/`TCSETS2` on WSL and Android. #4176

Job	Run time
Check --no-default-features (nightly)	54s
Check selected Tier 3 platforms (nightly)	2m 27s
Check (stable)	3m 58s
Rustfmt	20s
Check (nightly)	4m 10s
Check nightly-only targets (nightly)	24s
Check (1.63)	8m 13s
Test rustix_use_experimental_asm (powerpc64le-linux)	45s
Test (ubuntu)	40s
Test use-libc (ubuntu)	39s
Test (ubuntu-20.04)	45s
Test use-libc (i686-linux)	57s
Test (i686-linux)	1m 2s
Test use-libc (aarch64-linux)	1m 17s
Test (aarch64-linux)	1m 8s
Test (powerpc64le-linux)	1m 7s
Test (riscv64-linux)	1m 4s
Test (s390x-linux)	1m 5s
Test (arm-linux)	1m 16s
Test use-libc (powerpc64le-linux)	1m 4s
Test (ubuntu-stable)	39s
Test (i686-linux-stable)	57s
Test (aarch64-linux-stable)	1m 0s
Test (riscv64-linux-stable)	1m 22s
Test (s390x-linux-stable)	59s
Test use-libc (riscv64-linux)	1m 17s
Test (powerpc64le-linux-stable)	1m 12s
Test use-libc (arm-linux)	1m 11s
Test (arm-linux-stable)	1m 2s
Test (ubuntu-1.63)	3m 24s
Test (i686-linux-1.63)	3m 44s
Test (aarch64-linux-1.63)	3m 46s
Test (riscv64-linux-1.63)	3m 40s
Test (s390x-linux-1.63)	3m 39s
Test (powerpc64le-linux-1.63)	3m 39s
Test (arm-linux-1.63)	3m 49s
Test (macos-latest)	16m 49s
Test (macos-12)	19m 15s
Test (windows)	1m 25s
Test (windows-2019)	52s
Test (musl)	48s
	1h 47m 44s

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