Merge "Migrate to cargo_embargo." into main am: 368805870d am: 852b8afbb1 am: 5148c4ec37

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/nix/+/2828066

Change-Id: I749ea6b15c7d7068b4ab728047139b4b3005df25
Signed-off-by: Automerger Merge Worker <[email protected]>