Upgrade rust/crates/plotters-backend to 0.3.0 am: 8dcf71e9d0 am: 06f4925bc4 am: d665635852

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/plotters-backend/+/1662598

Change-Id: I3e6ea14f711e1f4c2b9e6f42bb52a96a383a8d08