allow system_server to access files under /sys/kernel/ion/

In order for system_server to report ION allocations in dumpsys meminfo
report it needs access to ION sysfs nodes.

Bug: 138148041
Test: dumpsys meminfo
Change-Id: I8b1efebe8f4b06a3975e96ddd6a8cbcacdb52fb2
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
diff --git a/private/compat/29.0/29.0.cil b/private/compat/29.0/29.0.cil
index 5eddc4e..c62edd5 100644
--- a/private/compat/29.0/29.0.cil
+++ b/private/compat/29.0/29.0.cil
@@ -1744,6 +1744,7 @@
 (typeattributeset swap_block_device_29_0 (swap_block_device))
 (typeattributeset sysfs_29_0
   ( sysfs
+    sysfs_ion
     sysfs_suspend_stats
     sysfs_wakeup))
 (typeattributeset sysfs_android_usb_29_0 (sysfs_android_usb))