Rename Bandwidth to BandwidthResource

To distinguish unit of bandwidth and resource of bandwidth

Change-Id: Ice52538f0c00f6d7743ca247d0f9bab3febdc94b
diff --git a/core/api/src/main/java/org/onosproject/net/tunnel/Tunnel.java b/core/api/src/main/java/org/onosproject/net/tunnel/Tunnel.java
index 18ae5be..6a044ac 100644
--- a/core/api/src/main/java/org/onosproject/net/tunnel/Tunnel.java
+++ b/core/api/src/main/java/org/onosproject/net/tunnel/Tunnel.java
@@ -18,7 +18,7 @@
 import org.onosproject.net.Annotated;
 import org.onosproject.net.NetworkResource;
 import org.onosproject.net.Provided;
-import org.onosproject.net.resource.Bandwidth;
+import org.onosproject.net.resource.BandwidthResource;
 
 
 /**
@@ -149,7 +149,7 @@
      *
      * @return tunnel bandwidth
      */
-    Bandwidth bandwidth();
+    BandwidthResource bandwidth();
 }