Make plotters-backend available to product and vendor am: 9a88beacaf am: da7188b551

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

Change-Id: Ibac0c21d9560df23e7ca23c3296337d9ab9e1bb8
Signed-off-by: Automerger Merge Worker <[email protected]>