Recursively enable tracing #945

Job	Run time
build_and_test (components/integration-tests)	2m 21s
build_and_test (components/uid-mux)	1m 20s
build_and_test (components/actors/actor-ot)	1m 31s
build_and_test (components/cipher)	1m 53s
build_and_test (components/universal-hash)	2m 12s
build_and_test (components/aead)	2m 10s
build_and_test (components/key-exchange)	1m 42s
build_and_test (components/point-addition)	1m 23s
build_and_test (components/prf)	2m 32s
build_and_test (components/tls)	3m 22s
build_and_test (tlsn)	2m 57s
	23m 23s

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