Added BUCK file for SNMP provider.

Change-Id: If43023ca0d69adeef17680fa6b67e86b6aea490f

@@ -99,6 +99,7 @@ ONOS_PROVIDERS = [
     '//providers/openflow/app:onos-providers-openflow-app-oar',
     '//providers/rest:onos-providers-rest-oar',
     '//providers/isis:onos-providers-isis-oar',
+    '//providers/snmp:onos-providers-snmp-oar',
 ]
 
 ONOS_APPS = [

+BUNDLES = [
+  '//providers/snmp/device:onos-providers-snmp-device',
+  '//protocols/snmp/api:onos-protocols-snmp-api',
+  '//protocols/snmp/ctl:onos-protocols-snmp-ctl',
+]
+
+onos_app (
+    title = 'SNMP Provider',
+    category = 'Provider',
+    url = 'http://onosproject.org',
+    included_bundles = BUNDLES,
+    description = 'SNMP providers.',
+)