Migrate to cargo_embargo. am: 8f17a51220 am: 0f4e628dca

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/vhost-device-vsock/+/2824790

Change-Id: I89603dff6b4f75ebefcfe8a0a469ca9beb824a45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>