[Request]: Use FFI/JNI for package_info_plus

### Plugin

package_info_plus

### Use case

Using FFI and JNI for package_info_plus allows the API to be sync instead of async. This makes the API usage much more ergonomic.

### Proposal

Use [FFI](https://pub.dev/packages/ffigen) and [JNI](https://pub.dev/packages/jnigen) for reading the various properties