Add kem support #1116

Job	Run time
run-checker (no-cmp)	7m 54s
run-checker (no-cms)	7m 51s
run-checker (no-dgram)	7m 0s
run-checker (no-dh)	7m 2s
run-checker (no-dtls)	7m 28s
run-checker (no-ec)	6m 33s
run-checker (no-ec2m)	6m 52s
run-checker (no-ecx)	7m 13s
run-checker (no-http)	9m 30s
run-checker (no-legacy)	7m 26s
run-checker (no-sock)	6m 47s
run-checker (enable-ssl-trace)	7m 43s
run-checker (no-threads)	7m 23s
run-checker (no-thread-pool)	7m 28s
run-checker (no-default-thread-pool)	8m 56s
run-checker (no-tls)	6m 49s
run-checker (no-tls1_2)	8m 30s
run-checker (no-tls1_3)	7m 25s
run-checker (enable-trace enable-fips)	8m 3s
run-checker (no-ui)	7m 21s
run-checker (no-quic)	9m 45s
	2h 40m 59s

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