init.rc: chmod pagetypeinfo to 440 to be captured in BRs

Bug: 158928824
Test: Try BR
Change-Id: I2fa42780b77d86a234ae8b53d7264fbfd6a7906c
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 427ac4b..01551e2 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -490,6 +490,9 @@
     chown root log /proc/slabinfo
     chmod 0440 /proc/slabinfo
 
+    chown root log /proc/pagetypeinfo
+    chmod 0440 /proc/pagetypeinfo
+
     #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
     chown root system /proc/kmsg
     chmod 0440 /proc/kmsg