Introduce fast and deterministic RNG #1556

Job	Run time
host_win_msvc	2m 9s
host_arm (armv7, none, g++-10)	4m 28s
coding_style	13s
host_win (x86_64)	1m 19s
host_arm (armv7, none, clang++-11)	4m 37s
host_x86 (x86_64, g++-10)	2m 38s
host_win (armv7)	1m 10s
host_arm (aarch64, none, g++-10)	5m 47s
host_x86 (x86_64, clang++-11)	32s
host_win (aarch64)	1m 13s
host_arm (aarch64, none, clang++-11)	4m 40s
host_arm (aarch64, crypto+crc, g++-10)	4m 24s
host_arm (aarch64, crypto+crc, clang++-11)	4m 55s
test_win_msvc	1m 18s
	39m 23s

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