Spread out the scheduling of Daily jobs

Spread the scheduling of Daily jobs throughout the
day to reduce resource contention.

Change-Id: I2b2606b4022c1d9f882bfe95b439b021b17f362e
Issue-ID: INT-586
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/jjb/policy/policy-pdp.yaml b/jjb/policy/policy-pdp.yaml
index 418457e..f124bb4 100644
--- a/jjb/policy/policy-pdp.yaml
+++ b/jjb/policy/policy-pdp.yaml
@@ -20,7 +20,7 @@
     name: policy-pdp-sonar
     jobs:
       - gerrit-maven-sonar
-    cron: 'H 11 * * *'
+    cron: '@daily'
     build-node: ubuntu1604-builder-4c-4g
     project: 'policy/pdp'
     project-name: 'policy-pdp'