Build oak_virtio and third_party/rust-hypervisor-firmware-virtio with… #556

Job	Run time
xtask (format)	5m 41s
xtask (check-format)	6m 9s
xtask (run-cargo-deny)	5m 33s
xtask (run-cargo-udeps)	9m 55s
xtask (run-bazel-tests)	43m 27s
xtask (run-cargo-fuzz -- -max_total_time=2)	6m 6s
xtask (completion)	5m 59s
xtask (run-cargo-clippy)	15m 13s
	1h 38m 3s

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