Migrate to cargo_embargo. am: 7c80a348c1 am: bdf0fc2194 am: 5bb1f0ae8c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/foreign-types-shared/+/2822240

Change-Id: I054c5ab05e54c6c98aad0817861222af1f94c174
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>