Fetch only routers in project of context['tenant_id'] when non-admin

is requesting router-list without filters.

Change-Id: Ibb48aede78f336bf4301d08f126d28e2fab2d68a
Closes-Bug: 1596722
(cherry picked from commit 51c6303)
(cherry picked from commit 9c9791f)

src/config/vnc_openstack/vnc_openstack/neutron_plugin_db.py

@@ -3166,9 +3166,14 @@ def router_list(self, context=None, filters=None):
                 except NoIdError:
                     pass
         else:
-            # read all routers in all projects
-             project_rtrs = self._router_list_project()
-             all_rtrs.append(project_rtrs)
+            if not context['is_admin']:
+                project_id = str(uuid.UUID(context['tenant']))
+            else:
+                project_id = None
+
+            # read all routers in specified projects
+            project_rtrs = self._router_list_project(project_id=project_id)
+            all_rtrs.append(project_rtrs)
 
         # prune phase
         for project_rtrs in all_rtrs: