init: Create directories needed by sshd

Change-Id: I672bd86f2ce359653fe1c2abc036a0fdc918ace1
diff --git a/prebuilt/common/etc/init.local.rc b/prebuilt/common/etc/init.local.rc
index e29b015..7cf6ec5 100644
--- a/prebuilt/common/etc/init.local.rc
+++ b/prebuilt/common/etc/init.local.rc
@@ -22,7 +22,8 @@
     chmod 0220 /sys/fs/cgroup/bfqio/rt-display/cgroup.event_control
 
 on post-fs-data
-    mkdir /data/.ssh 0750 root shell
+    mkdir /data/ssh 0750 root shell
+    mkdir /data/ssh/empty 0600 root shell
     mkdir /cache/recovery 0770 system cache
 
     # Run sysinit