Staging: android: binder: Fix memory leak on thread/process exit. If a thread or process exited while a reply, one-way transaction or death notification was pending, the struct holding the pending work was leaked. (Signed-off-by: Arve Hjønnevåg <arve@android.com>)

Signed-off-by: garwedgess <garethwilliams21@gmail.com>