Fixes missing group/{group_id} for PUT HEAD and DELETE from projects for Identity v3 API

For some reason all of Projects was commented out for Identity v3 API

Change-Id: I3cf43387ed2b4f6f0a0f878c99e6aee33c7c7eaf
Fixes-bug: 1297890
Merge "Fixes missing group/{group_id} for PUT HEAD and DELETE from projects for Identity v3 API"