sepolicy: Allow lmkd to communicate with its other instance for reinit

Lmkd should implement reinit functionality and to do so it needs to
communicate with its running instance using socket.

Bug: 155149944
Test: lmkd --reinit
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I81455fe187830081d88f001b4588f7607b1bd1d0
diff --git a/public/lmkd.te b/public/lmkd.te
index 7c1e741..c9f2e64 100644
--- a/public/lmkd.te
+++ b/public/lmkd.te
@@ -57,6 +57,9 @@
 # Read/Write /proc/pressure/memory
 allow lmkd proc_pressure_mem:file rw_file_perms;
 
+# Allow lmkd to connect during reinit.
+allow lmkd lmkd_socket:sock_file write;
+
 # Allow lmkd to write to statsd.
 unix_socket_send(lmkd, statsdw, statsd)