Migrate to cargo_embargo. am: 247db62d4b am: f2883ac44a

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/lock_api/+/2829974

Change-Id: Ib45c44a03ecd5440422369d2ca323be28d037f4f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>