Migrate to cargo_embargo. am: ae392e9d1a

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/tinyvec/+/2833293

Change-Id: Idba6fe0d1f3d6e3efb9da5cc53efb82a713c0729
Signed-off-by: Automerger Merge Worker <[email protected]>