Add repos from gerrit.googlesource.com to zuul
Pull them in without job config to be safe.
Depends-On:
- sigmavirus24/github3.py
- sqlalchemy/dogpile.cache
- swiftstack/ProxyFS
+ googlesource:
+ untrusted-projects:
+ - include: []
+ projects:
+ - gerrit
+ - plugins/delete-project
+ - plugins/importer
+ - plugins/its-base
+ - plugins/its-storyboard
+ - plugins/javamelody
+ - plugins/verify-status
