Migrate to cargo_embargo. am: 858d3628e7

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

Change-Id: Ibd30f90992b617684b769fa7724a588e8affb1ec
Signed-off-by: Automerger Merge Worker <[email protected]>