Remove access to sock_file for hal_nfc

Test: manual
Bug: 37640900
Change-Id: I6987d60c1eb1578134b51f4e7417700fd462ba4d
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
(cherry picked from commit ad41fa8d)

public/hal_nfc.te

@@ -13,4 +13,4 @@ allow hal_nfc nfc_device:chr_file rw_file_perms;
 
 # Data file accesses.
 allow hal_nfc nfc_data_file:dir create_dir_perms;
-allow hal_nfc nfc_data_file:notdevfile_class_set create_file_perms;
+allow hal_nfc nfc_data_file:{ file lnk_file fifo_file } create_file_perms;