Move chmod of /sys/kernel/debug/tracing to fix traceur.

This is a temporary fix, since we're still not sure exactly what the
bug is.

Bug: 62547086
Test: Built, flashed, and booted Marlin.  Verified that the file has
the correct permission and that traceur does not popup an error.

Change-Id: I43275e974a11754eca274f1b77d15cdd03a3b365

rootdir/init.rc

@@ -317,7 +317,6 @@ on post-fs
     # Make sure /sys/kernel/debug (if present) is labeled properly
     # Note that tracefs may be mounted under debug, so we need to cross filesystems
     restorecon --recursive --cross-filesystems /sys/kernel/debug
-    chmod 0755 /sys/kernel/debug/tracing
 
     # We chown/chmod /cache again so because mount is run as root + defaults
     chown system cache /cache
@@ -355,6 +354,10 @@ on post-fs
     mkdir /cache/lost+found 0770 root root
 
 on late-fs
+    # Ensure that tracefs has the correct permissions.
+    # This does not work correctly if it is called in post-fs.
+    chmod 0755 /sys/kernel/debug/tracing
+
     # HALs required before storage encryption can get unlocked (FBE/FDE)
     class_start early_hal