lmkd: Adding io_uring support

Allow for lmkd to create and manage an io_uring interface. This is
required to integrate async syscalls between lmkd and the kernel.

Test: m
Bug: 325525024
Change-Id: I91d96176cd8b00a2ded16560c5482d50a807d3ad
Signed-off-by: Carlos Galo <carlosgalo@google.com>
diff --git a/private/lmkd.te b/private/lmkd.te
index 8d22552..5369c79 100644
--- a/private/lmkd.te
+++ b/private/lmkd.te
@@ -86,6 +86,9 @@
 # Allow lmkd to write to statsd.
 unix_socket_send(lmkd, statsdw, statsd)
 
+# Allow lmkd to create io_uring
+allow lmkd self:anon_inode { create map read write };
+
 ### neverallow rules
 
 # never honor LD_PRELOAD