ANDROID: rust_binder: add missing void arguments to binderfs files

These functions were missing the last argument which is an unused void
pointer. This is incorrect and was caught due to a CFI failure. To fix
this, add the missing parameter to the functions.

Bug: 335105888
Change-Id: If1f0589a9f66e4080a457027d3643c39144de6b9
Signed-off-by: Alice Ryhl <aliceryhl@google.com>