Enable periodic job trigger for drivetrain and aaa lab deployments

Change-Id: I4cfe73268d5721e3abe06c61f81a6738a7447e53
diff --git a/jenkins/client/job/deploy/lab/component/aaa.yml b/jenkins/client/job/deploy/lab/component/aaa.yml
index 1c640d5..26a66fd 100644
--- a/jenkins/client/job/deploy/lab/component/aaa.yml
+++ b/jenkins/client/job/deploy/lab/component/aaa.yml
@@ -8,4 +8,4 @@
         stack_type: heat
         stack_install: core,aaa
         stack_test: ""
-        job_timer: ""
+        job_timer: "H H(0-6) * * *"