Changes to enable buildbot to build autotests and package them

chromeos/scripts/build_packages

 #!/bin/bash
 
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to build the set of binary packages needed by Chrome OS. It will
 # cross compile all of the packages into the given targets root and build
 # binary packages as a side-effect. The output packages will be picked up
 # by the build_image script to put together a bootable Chrome OS image.
@@ skipping 10 matching lines @@
 
 get_default_board
 
 # Flags
 DEFINE_string board "$DEFAULT_BOARD" \
   "The board to build packages for."
 DEFINE_boolean usepkg $FLAGS_FALSE \
   "Use binary packages to bootstrap when possible."
 DEFINE_boolean withdev $FLAGS_TRUE \
   "Build useful developer friendly utilities."
+DEFINE_boolean withautotest $FLAGS_FALSE \
+  "Build autotest client code."
 DEFINE_integer jobs -1 \
   "How many packages to build in parallel at maximum."
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 
 # Die on any errors.
 set -e
 
@@ skipping 17 matching lines @@
   EMERGE_FLAGS="${EMERGE_FLAGS} --jobs=$FLAGS_jobs"
 fi
 
 sudo emerge -uDNv $EMERGE_FLAGS world
 
 if [[ $FLAGS_withdev -eq $FLAGS_TRUE ]]; then
   sudo emerge-${FLAGS_board} -uDNv $EMERGE_FLAGS chromeos-base/chromeos-dev
 else
   sudo emerge-${FLAGS_board} -uDNv $EMERGE_FLAGS chromeos-base/chromeos
 fi
+
+if [[ $FLAGS_withautotest -eq $FLAGS_TRUE ]]; then
+  ./build_autotest.sh --noprompt --board=${FLAGS_board}
+fi