Allow all domains to read /dev symlinks.

Change-Id: I448a5553937a98775178b94f289ccb45ae862876
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

cts.te

@@ -23,9 +23,6 @@ allow appdomain file_type:dir_file_class_set getattr;
 allow appdomain dev_type:dir_file_class_set getattr;
 allow appdomain fs_type:dir_file_class_set getattr;
 
-# Read permission over link file to devices.
-allow appdomain dev_type:lnk_file read;
-
 # Tries to open /dev/alarm for writing but expects failure.
 dontaudit appdomain alarm_device:chr_file write;
 

domain.te

@@ -40,6 +40,7 @@ allow domain rootfs:lnk_file { read getattr };
 
 # Device accesses.
 allow domain device:dir search;
+allow domain dev_type:lnk_file read;
 allow domain devpts:dir search;
 allow domain device:file read;
 allow domain socket_device:dir search;

rild.te

@@ -22,7 +22,6 @@ allow rild bluetooth_efs_file:file r_file_perms;
 allow rild bluetooth_efs_file:dir r_dir_perms;
 allow rild radio_data_file:dir r_dir_perms;
 allow rild radio_data_file:file rw_file_perms;
-allow rild radio_device:lnk_file r_file_perms;
 allow rild sdcard_type:dir r_dir_perms;
 allow rild system_data_file:dir create_dir_perms;
 allow rild system_data_file:file create_file_perms;

vold.te

@@ -7,7 +7,6 @@ typeattribute vold mlstrustedsubject;
 allow vold system_file:file x_file_perms;
 allow vold block_device:dir create_dir_perms;
 allow vold block_device:blk_file create_file_perms;
-allow vold block_device:lnk_file read;
 allow vold devpts:chr_file rw_file_perms;
 allow vold rootfs:dir mounton;
 allow vold sdcard_type:dir mounton;