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/aai/aai-sparky-be.yaml b/jjb/aai/aai-sparky-be.yaml
index a73aa56..dbaeacd 100644
--- a/jjb/aai/aai-sparky-be.yaml
+++ b/jjb/aai/aai-sparky-be.yaml
@@ -23,7 +23,7 @@
     name: aai-sparky-be-sonar
     jobs:
       - gerrit-maven-sonar
-    cron: 'H 11 * * *'
+    cron: '@daily'
     build-node: ubuntu1604-builder-4c-4g
     project: 'aai/sparky-be'
     project-name: 'aai-sparky-be'