Migrate to cargo_embargo. am: 858d3628e7

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/shared_library/+/2832819

Change-Id: I5572c064cc91ac84cdfa47894201c6443ef4b2fd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>