package_to_container: Create the /home/user directory

The /home/user directory will be the HOME directory
for the container.

BUG=none
TEST=Create and mount a squashfs and verify that
/home/user has been created.

Change-Id: Ib537445f39f5e742f62ad1ee01088da58f3373a9
Reviewed-on: https://chromium-review.googlesource.com/367448
Commit-Ready: Keshav Santhanam <ksanthanam@google.com>
Tested-by: Keshav Santhanam <ksanthanam@google.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
diff --git a/package_to_container b/package_to_container
index 6cab2c0..b29785b 100755
--- a/package_to_container
+++ b/package_to_container
@@ -43,7 +43,7 @@
   install_with_no_deps "chromeos-base/libcontainer_overrides" "${ROOTDIR}"
 
   info "Creating top level dirs and socket dirs ... "
-  sudo mkdir -p "${ROOTDIR}"/{dev,proc,root,run/broker_service,sys}
+  sudo mkdir -p "${ROOTDIR}"/{dev,proc,root,run/broker_service,sys,home/user}
 
   info "Generating squashfs file ... "
   mksquashfs "${ROOTDIR}" "${container_name}.sqsh"