Migrate to cargo_embargo. am: 0f14ba629d am: e811f0603f

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

Change-Id: Ide774ecbf8370d4aa90290f330c2a92c95a71ae9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>