[ONOS-4513] Move utilities not specific to optical out of optical package.

Change-Id: Ib4d33008c61f17b8ff220142a0d15db31e5fcfb9
diff --git a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOchPort.java b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOchPort.java
index 019f8c9..593b021 100644
--- a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOchPort.java
+++ b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOchPort.java
@@ -20,7 +20,7 @@
 import org.onosproject.net.OduSignalType;
 import org.onosproject.net.Port;
 import org.onosproject.net.optical.OchPort;
-import org.onosproject.net.optical.utils.ForwardingPort;
+import org.onosproject.net.utils.ForwardingPort;
 
 import com.google.common.annotations.Beta;
 
diff --git a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOduCltPort.java b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOduCltPort.java
index f98becd..78a4266 100644
--- a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOduCltPort.java
+++ b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOduCltPort.java
@@ -22,7 +22,7 @@
 import org.onosproject.net.CltSignalType;
 import org.onosproject.net.Port;
 import org.onosproject.net.optical.OduCltPort;
-import org.onosproject.net.optical.utils.ForwardingPort;
+import org.onosproject.net.utils.ForwardingPort;
 
 import com.google.common.annotations.Beta;
 
diff --git a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOmsPort.java b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOmsPort.java
index 4c1c7e3..eb2c426 100644
--- a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOmsPort.java
+++ b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOmsPort.java
@@ -22,7 +22,7 @@
 import org.onlab.util.Frequency;
 import org.onosproject.net.Port;
 import org.onosproject.net.optical.OmsPort;
-import org.onosproject.net.optical.utils.ForwardingPort;
+import org.onosproject.net.utils.ForwardingPort;
 
 import com.google.common.annotations.Beta;
 
diff --git a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOtuPort.java b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOtuPort.java
index 4a5a79b..2c038c8 100644
--- a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOtuPort.java
+++ b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOtuPort.java
@@ -22,7 +22,7 @@
 import org.onosproject.net.OtuSignalType;
 import org.onosproject.net.Port;
 import org.onosproject.net.optical.OtuPort;
-import org.onosproject.net.optical.utils.ForwardingPort;
+import org.onosproject.net.utils.ForwardingPort;
 
 import com.google.common.annotations.Beta;