Migrate to cargo_embargo. am: 0e6f36886f am: 2bd254bd3a

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/scopeguard/+/2828110

Change-Id: Ie0dd8cec9fb5856f9d48e0fda24b9833856e7717
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>