Allow extra group suggestions for project owners.

The suggestGroupOwner currently only returns groups that are visible
to the user.  When editing a project config, include the
Project.NameKey so owners can be shown and add groups to which they
are not a member.

Change-Id: I1df4a025b6e11e92a44e77e2e96e16f4e187f1a1
7 files changed