Upgrade rust/crates/plotters-backend to 0.3.0 am: 8dcf71e9d0 am: 06f4925bc4 am: d665635852 am: f3aff18d62

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

Change-Id: I5078c8370d7c0d5479f0fab0bc5f98e336ae6f61