Migrate to cargo_embargo. am: 0f14ba629d

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/tinyvec_macros/+/2832893

Change-Id: I9ed102823441b1e30ba95b5fd20198ad788495f9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>