[ONOS-4170] [ONOS-4163] PCE APP side changes : PceManager (code + UT)

Change-Id: I43db98b2fa3c5930b989d4fa3e2c00f7fa65c5ca
diff --git a/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepAnnotationKeys.java b/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepAnnotationKeys.java
index 63ad05d..18292b7 100644
--- a/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepAnnotationKeys.java
+++ b/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepAnnotationKeys.java
@@ -56,4 +56,15 @@
      * Annotation key for the identification of initiated LSP.
      */
     public static final String PCE_INIT = "pceInit";
+
+    /**
+     * Annotation key for the cost type.
+     */
+    public static final String COST_TYPE = "costType";
+
+    /**
+     * Annotation key for the Delegation.
+     * Whether LSPs are delegated or not
+     */
+    public static final String DELEGATE = "delegate";
 }