Add @export to frontend scan enums

Test: make;
Change-Id: I9489ae28722e73de0aba7e83b115935546e8e357
Merged-In: I9489ae28722e73de0aba7e83b115935546e8e357
(cherry picked from commit efb7ffa6ca2090458dae7c39ba9ec30876a1dcd3)
1 file changed