Merge "lmkd: grant read access to all of /sys"

lmkd.te

@@ -20,6 +20,7 @@ r_dir_file(lmkd, system_server)
 allow lmkd system_server:file write;
 
 ## Writes to /sys/module/lowmemorykiller/parameters/minfree
+r_dir_file(lmkd, sysfs_type)
 allow lmkd sysfs_lowmemorykiller:file w_file_perms;
 
 # Send kill signals