[ONOS-4691] Refactoring OpticalPortOperator (2/3)

- Define ConfigOperator for a Port
- Refactor OpticalPortOperator as PortConfigOperator
- Add plug-in mechanism for PortConfigOperator on DeviceManager
- Move OpticalPortConfig, OpticalPortOperator to optical-model bundle

Change-Id: I5d416305b0c1b0e31e0ad64baa92d126303548bc
diff --git a/apps/optical-model/BUCK b/apps/optical-model/BUCK
index cf06443..e311eb3 100644
--- a/apps/optical-model/BUCK
+++ b/apps/optical-model/BUCK
@@ -4,7 +4,7 @@
 ]
 
 TEST_DEPS = [
-    '//lib:TEST',
+    '//lib:TEST_ADAPTERS',
 ]