Migrate to cargo_embargo. am: 0cbc5a4aa8

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/criterion-plot/+/2822397

Change-Id: If268253abd1144c6d75cc5fea582cc21f8ac2c46
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>