Migrate to cargo_embargo. am: 917f803398 am: b2d2880b90

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/plotters-backend/+/2824495

Change-Id: I83266ca7b5ceaa1e4bbb06e2e165123575f6642d
Signed-off-by: Automerger Merge Worker <[email protected]>