Allow wificond to find permission

This is used for wificond to check if it is allowed to dump logs.

Bug: 31336376
Test: compile, manual test
Change-Id: I8a1b681255398f9a1f2cf79fd0891e58283aa747

public/wificond.te

@@ -27,6 +27,9 @@ r_dir_file(wificond, proc_net)
 allow wificond wifi_data_file:dir rw_dir_perms;
 allow wificond wifi_data_file:file create_file_perms;
 
+# allow wificond to check permission for dumping logs
+allow wificond permission_service:service_manager find;
+
 # dumpstate support
 allow wificond dumpstate:fd use;
 allow wificond dumpstate:fifo_file write;