FIX for ONOS-5260: METER AppID Display on GET, Precedence Range Issue

Change-Id: Ia82b8d70de0b5d824d808f9593ada64d3c1fbd09
diff --git a/core/api/src/main/java/org/onosproject/net/meter/Band.java b/core/api/src/main/java/org/onosproject/net/meter/Band.java
index 1942876..35a816f 100644
--- a/core/api/src/main/java/org/onosproject/net/meter/Band.java
+++ b/core/api/src/main/java/org/onosproject/net/meter/Band.java
@@ -20,6 +20,10 @@
  */
 public interface Band {
 
+    short MIN_PRECEDENCE = 0;
+    short MAX_PRECEDENCE = 255;
+    String ERR_MSG = "Precedence out of range";
+
     /**
      * Specifies the type of band.
      */