FROMLIST: binder: fix memory corruption in binder_transaction binder

(from https://patchwork.kernel.org/patch/9939405/

)

commit 7a4408c6bd3e ("binder: make sure accesses to proc/thread are
safe") made a change to enqueue tcomplete to thread->todo before
enqueuing the transaction. However, in err_dead_proc_or_thread case,
the tcomplete is directly freed, without dequeued. It may cause the
thread->todo list to be corrupted.

So, dequeue it before freeing.

Bug: 65333488
Change-Id: I14ef48095d9f690148b1a50ea62d05dd67779505
Signed-off-by: Xu YiPing <xuyiping@hisilicon.com>
Signed-off-by: Todd Kjos <tkjos@google.com>
Git-commit: 86578a0f
Git-repo: https://android.googlesource.com/kernel/common


Signed-off-by: Kyle Yan <kyan@codeaurora.org>