Migrate to cargo_embargo. am: 0ee068ce96 am: 5e13b1f2b1 am: b6ccd28826

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/hashlink/+/2826414

Change-Id: Ic2d6ba6db939624b3c6f6439635ae60ad0c1c65f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>