recovery.te: Allow setting sys.usb.ffs.ready.

am: ce5ca4d0

Change-Id: I7f9cfa0a144ddfd796897446990f2b61108755c1

public/recovery.te

@@ -105,6 +105,9 @@ recovery_only(`
   # Read serial number of the device from system properties
   get_prop(recovery, serialno_prop)
 
+  # Set sys.usb.ffs.ready when starting minadbd for sideload.
+  set_prop(recovery, ffs_prop)
+
   # Use setfscreatecon() to label files for OTA updates.
   allow recovery self:process setfscreate;