Break up "@generated" string so Phabricator shows changes
Summary: Created from CodeHub with https://fburl.com/edit-in-codehub
Test Plan:
CI
Sandcastle run
Reviewed By: larryliu0820
Differential Revision: D30701781
fbshipit-source-id: 3acab8b65a327c4ec7da90bc855ecf02f801c40a
