Migrate to cargo_embargo. am: 8c3dd4e690 am: c22d1bfe49 am: 704c580c57

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/yaml-rust/+/2822381

Change-Id: Id782234c652241567cee0dd0a161f0c2dd0fcf79
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>