ANDROID: rust_binder: add oneway spam detection

The idea is that once we cross a certain threshold of free async space,
whoever is responsible for the low async space is likely to try to send
another async transaction.

This change allows servers to turn on oneway spam detection and return a
different binder reply when it is detected.

Link: https://lore.kernel.org/rust-for-linux/20231101-rust-binder-v1-17-08ba9197f637@google.com/


Change-Id: Ib1bf69fa0b4f79447c3dad913cb872585ea4683c
Co-developed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Matt Gilbride <mattgilbride@google.com>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Bug: 278052745