Merge "Migrate to cargo_embargo." into main am: 4f7172de65 am: 5ca6575857

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ring/+/2841414

Change-Id: Ib04f0d1566c8e3a0a46df6bfd58e667b45437897
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>