Migrate to cargo_embargo. am: 5c8770fe84 am: 48cc66790b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/lru-cache/+/2821937

Change-Id: I7221a6bd48e515f77eee42710ef482103f153b24
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>