CORD-160 Add connect and disconnect methods to ovsdb

Change-Id: I66e777f8ec9c5834e27b1dc685fdeb197e30ce0d
diff --git a/providers/ovsdb/device/src/test/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProviderTest.java b/providers/ovsdb/device/src/test/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProviderTest.java
index 5e4c567..7663a64 100644
--- a/providers/ovsdb/device/src/test/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProviderTest.java
+++ b/providers/ovsdb/device/src/test/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProviderTest.java
@@ -27,6 +27,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.onlab.packet.IpAddress;
+import org.onlab.packet.TpPort;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.MastershipRole;
 import org.onosproject.net.device.DeviceDescription;
@@ -193,6 +194,10 @@
             return null;
         }
 
+        @Override
+        public void connect(IpAddress ip, TpPort port) {
+
+        }
     }
 
 }