allow init to access /proc/pagetypeinfo

Test: check avc for init
Bug: 158928824
Change-Id: Iae3e3f1ff2bf9a1534995f32ee3d4b4115f7a114
diff --git a/public/init.te b/public/init.te
index 1390e9e..7dc522a 100644
--- a/public/init.te
+++ b/public/init.te
@@ -376,6 +376,7 @@
   proc_cmdline
   proc_kmsg
   proc_net
+  proc_pagetypeinfo
   proc_qtaguid_stat
   proc_slabinfo
   proc_sysrq