Migrate to cargo_embargo. am: ade89fb953 am: 87944b508d am: e945d9e279

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/sec1/+/2832812

Change-Id: I94ebfde90c7433a46526d1d7f6c8859e5087a39b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>