Turn off pool counter for all jobs and commandline scripts

While we're at it, remove the update pool counter entirely.
Now that we're job based and not in-process we don't need
to use the pool counter anymore and risk dropping updates.

Change-Id: I61eec8365d6f9a6b6ed9806f659e1d1f8f0bae0f
Merge "Turn off pool counter for all jobs and commandline scripts"