Fixing @Beta tags

Change-Id: I93a3be9a81a8f29f7b1ce29b66f09c9bcd31e639
diff --git a/docs/internal-core b/docs/internal-core
index 39b42da..f987aa9 100644
--- a/docs/internal-core
+++ b/docs/internal-core
@@ -25,3 +25,4 @@
 org.onosproject.json.*
 org.onosproject.common.*
 org.onosproject.security.impl
+org.onosproject.security.store