af-binder sometime locks when child dies

Close for Icefish 9.0.0 RC1

@jose bollo Should this be backported to halibut?

To jose: Get it.

Done, I just submitted https://gerrit.automotivelinux.org/gerrit/#/c/src/app-framework-binder/+/22169/

Hi, @Li Xiaoming

I made a mistake when I created the commit. It uses a change that is not committed. I'm working to push urgently that missing part. Sorry about that and thank you for reporting.

You can avoid or revert the commit if you want. But if you revert the commit on AGL it may collide with the fix that I have to push . This is a commit that I forgave to rebase.