Add python33 jobs for os-{apply,collect}-config

To help bring Python 3 support to os-*-config, also add non-voting
-python33 jobs for os-apply-config and os-collect-config.

Change-Id: Iac06384ecab5e21042f4a4bd336a49cc1e61093b
Merge "Add python33 jobs for os-{apply,collect}-config"