Allow the zygote to stat all files it opens.

bug: 30963384
Change-Id: I62b5ffd43469dbb0bba67e1bb1d3416e7354f9e5
(cherry picked from commit 3ff0b0282688c3776904b8e5409a4dfb7f231e73)
diff --git a/zygote.te b/zygote.te
index 7029344..dae91c9 100644
--- a/zygote.te
+++ b/zygote.te
@@ -37,6 +37,13 @@
 # Control cgroups.
 allow zygote cgroup:dir create_dir_perms;
 allow zygote self:capability sys_admin;
+# Allow zygote to stat the files that it opens. The zygote must
+# be able to inspect them so that it can reopen them on fork
+# if necessary: b/30963384
+# allow zygote pmsg_device:chr_file { getattr };
+allow zygote debugfs:dir search;
+allow zygote debugfs:file { getattr };
 # Check validity of SELinux context before use.
 # Check SELinux permissions.