[jnigen] Add `JBuffer`, `JByteBuffer` to enable fast copying to and from `Uint8List` (https://github.com/dart-lang/jnigen/issues/390)

`JBuffer` is now the default binding for `java.nio.Buffer` and `JByteBuffer` for `java.nio.ByteBuffer`.
45 files changed
tree: 99541b2b4973c033147a62a2f9f45f7aadc4022f
  1. .github/
  2. pkgs/