Rewind ZSTD support #8312

Job	Run time
build-uwp	12m 17s
build (ubuntu-latest, test, clang, clang++, ./b.sh --headless --unittest, clang-normal)	4m 10s
build-windows (x64)	14m 29s
build (ubuntu-latest, gcc, g++, ./b.sh --headless --unittest, gcc-normal)	4m 10s
build-windows (ARM64)	9m 38s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=arm64-v8a UNITTE...	10m 40s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=armeabi-v7a UNIT...	7m 10s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=x86_64 UNITTEST=...	12m 42s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=arm64-v8a OPENXR...	8m 44s
build (ubuntu-latest, android, clang, clang++, ./b.sh --libretro_android ppsspp_libretro, android...	5m 56s
build (ubuntu-latest, qt, gcc, g++, ./b.sh --qt, qt)	4m 47s
build (ubuntu-latest, libretro, gcc, g++, make -C libretro -f Makefile -j2, gcc-libretro)	3m 6s
build (ubuntu-latest, libretro, clang, clang++, make -C libretro -f Makefile -j2, clang-libretro)	3m 30s
build (macos-latest, test, clang, clang++, ./b.sh --headless --unittest --fat --no-png --no-sdl2,...	11m 40s
build (macos-latest, ios, clang, clang++, ./b.sh --ios, ios)	5m 47s
test (ubuntu-latest)	1m 43s
test (macos-latest)	44s
test-windows	1m 6s
	2h 2m 19s

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