[ONOS-4171] Merge PCEP and BGP providers into common BGPCEP provider.

Change-Id: Ia87f0898e51704ce8d02d877e9f0d57219099a53
diff --git a/protocols/bgp/api/src/main/java/org/onosproject/bgp/controller/BgpId.java b/protocols/bgp/api/src/main/java/org/onosproject/bgp/controller/BgpId.java
index 557beed..2d5ebba 100644
--- a/protocols/bgp/api/src/main/java/org/onosproject/bgp/controller/BgpId.java
+++ b/protocols/bgp/api/src/main/java/org/onosproject/bgp/controller/BgpId.java
@@ -30,7 +30,7 @@
  */
 public final class BgpId extends Identifier<IpAddress> {
 
-    private static final String SCHEME = "bgp";
+    private static final String SCHEME = "l3";
     private static final long UNKNOWN = 0;
 
     /**