Add policy to allow shell user access to KList

Change-Id: I0032c19e4297fb148dd1924295cdc4b4f3643ab8

file_contexts

@@ -76,6 +76,7 @@
 /dev/input(/.*)		u:object_r:input_device:s0
 /dev/iio:device[0-9]+   u:object_r:iio_device:s0
 /dev/ion		u:object_r:ion_device:s0
+/dev/klist		u:object_r:klist_device:s0
 /dev/kmem		u:object_r:kmem_device:s0
 /dev/log(/.*)?		u:object_r:log_device:s0
 /dev/mem		u:object_r:kmem_device:s0

klist.te

+type klist_device, dev_type;
+
+# Allow shell user access to KList.
+allow shell klist_device:chr_file { read write open ioctl };