Migrate to cargo_embargo. am: 7c80a348c1 am: bdf0fc2194

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

Change-Id: Id4e5f13581331d4610849641b79b4e10ec4a0170
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>