Make plotters-backend available to product and vendor am: 9a88beacaf am: da7188b551 am: 1ab7a04446 am: bb807b837b am: 85b5b24ee0

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/plotters-backend/+/2475780

Change-Id: I9ca4190760383a4b91e512880548779875a2aa5c
Signed-off-by: Automerger Merge Worker <[email protected]>