Migrate to cargo_embargo. am: 0ee068ce96 am: 9104736c3b

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

Change-Id: Ieaa211da8ab72bd4153cdf0ca943f71057eeb56d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>