added OAuth2 authentication for REST protocol

Change-Id: I3b8f3943ea043587730870a0b861760a4d6f3aa7
diff --git a/providers/rest/BUCK b/providers/rest/BUCK
index 81fe5b4..b6e2e2b 100644
--- a/providers/rest/BUCK
+++ b/providers/rest/BUCK
@@ -3,6 +3,7 @@
     '//protocols/rest/api:onos-protocols-rest-api',
     '//protocols/rest/ctl:onos-protocols-rest-ctl',
     '//lib:jersey-client',
+    '//lib:jersey-security',
     '//lib:commons-io',
     '//lib:httpclient-osgi',
     '//lib:httpcore-osgi',