Add the project under test to LIBS_FROM_GIT

This automatically always adds the project under test to LIBS_FROM_GIT
which effectively makes the normal "tempest full" job the same as the
"forward testing" job when it is applied to a library repo.

Change-Id: Ibbdd8a86e0ff55f67bef73e08e693b34a61b24df
diff --git a/roles/write-devstack-local-conf/tasks/main.yaml b/roles/write-devstack-local-conf/tasks/main.yaml
index a294cae..9a6b083 100644
--- a/roles/write-devstack-local-conf/tasks/main.yaml
+++ b/roles/write-devstack-local-conf/tasks/main.yaml
@@ -10,3 +10,4 @@
     local_conf: "{{ devstack_local_conf|default(omit) }}"
     base_dir: "{{ devstack_base_dir|default(omit) }}"
     projects: "{{ zuul.projects }}"
+    project: "{{ zuul.project }}"
\ No newline at end of file