Fix timeout problem of fabric pipeliner

Including a workaround for ONOS-7785

Change-Id: I867161f5edf63e82c42a731a4b107ea326d4675c
diff --git a/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java b/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
index bd5c8c4..ed2a678 100644
--- a/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
+++ b/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
@@ -472,6 +472,11 @@
                                       "staleLinkAge", "15000");
         compCfgService.preSetProperty("org.onosproject.net.host.impl.HostManager",
                                       "allowDuplicateIps", "false");
+        // For P4 switches
+        compCfgService.preSetProperty("org.onosproject.net.flow.impl.FlowRuleManager",
+                                      "fallbackFlowPollFrequency", "5");
+        compCfgService.preSetProperty("org.onosproject.net.group.impl.GroupManager",
+                                      "fallbackGroupPollFrequency", "5");
         compCfgService.registerProperties(getClass());
         modified(context);