Refactor buck external dependencies

Change-Id: Ia4b99493407eb7d4e893804cba6b944f758f085e
diff --git a/apps/optical-model/BUCK b/apps/optical-model/BUCK
index e78c286..e82406b 100644
--- a/apps/optical-model/BUCK
+++ b/apps/optical-model/BUCK
@@ -1,5 +1,6 @@
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
+    '//lib:JACKSON',
     '//incubator/api:onos-incubator-api',
     '//cli:onos-cli',
     '//lib:org.apache.karaf.shell.console',