Enhance CLI command 'tablestats' to support P4 switch

Change-Id: Icb7bae93840bac1ad8d49240f61a4f5bf08dac4c
(cherry picked from commit 1a4333c51c4285bf32d61434b27fa3070336935c)
diff --git a/core/common/src/main/java/org/onosproject/codec/impl/TableStatisticsEntryCodec.java b/core/common/src/main/java/org/onosproject/codec/impl/TableStatisticsEntryCodec.java
index efd1d2c..f1af62b 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/TableStatisticsEntryCodec.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/TableStatisticsEntryCodec.java
@@ -33,7 +33,7 @@
         checkNotNull(entry, "Table Statistics entry cannot be null");
 
         final ObjectNode result = context.mapper().createObjectNode()
-                .put("tableId", entry.tableId())
+                .put("tableId", entry.table().toString())
                 .put("deviceId", entry.deviceId().toString())
                 .put("activeEntries", entry.activeFlowEntries())
                 .put("packetsLookedUp", entry.packetsLookedup())
@@ -43,4 +43,3 @@
     }
 
 }
-