Migrate to cargo_embargo. am: ce949f372b am: a8d2f89b8e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/zeroize/+/2836656

Change-Id: I2d7589396d4e946b6e13854988f2e60e590e2223
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>