Add ctest that calls the au test harness.

bin/cros_make_image_bootable

 #!/bin/bash
 #
 # Copyright (c) 2010 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 which ensures that a given image has an up-to-date
 # kernel partition, rootfs integrity hashes, and legacy bootloader configs.
 
 # Load common constants.  This should be the first executable line.
@@ skipping 81 matching lines @@
 DEFINE_string rootfs_mountpoint "/tmp/rootfs" \
   "Path where the rootfs can be safely mounted"
 DEFINE_string statefulfs_mountpoint "/tmp/statefulfs" \
   "Path where the statefulfs can be safely mounted"
 DEFINE_string espfs_mountpoint "/tmp/espfs" \
   "Path where the espfs can be safely mounted"
 
 DEFINE_boolean use_dev_keys ${FLAGS_FALSE} \
   "Use developer keys for signing. (Default: false)"
 
+# TODO(sosa):  Remove once known images no longer use this in their config.
+DEFINE_string arm_extra_bootargs "" "DEPRECATED FLAG.  Do not use."
+
 # Parse the boot.desc and any overrides
 eval set -- "${BOOT_DESC} ${FLAG_OVERRIDES}"
 FLAGS "${@}" || exit 1
 
 # Only now can we die on error.  shflags functions leak non-zero error codes,
 # so will die prematurely if 'set -e' is specified before now.
 set -e -u
 
 # $1 - Directory where developer rootfs is mounted.
 # $2 - Directory where developer stateful_partition is mounted.
@@ skipping 126 matching lines @@
 mkdir -p ${FLAGS_statefulfs_mountpoint}
 mkdir -p ${FLAGS_espfs_mountpoint}
 
 make_image_bootable ${IMAGE}
 
 if [ ${FLAGS_cleanup_dirs} -eq ${FLAGS_TRUE} ]; then
   rmdir ${FLAGS_rootfs_mountpoint}
   rmdir ${FLAGS_statefulfs_mountpoint}
   rmdir ${FLAGS_espfs_mountpoint}
 fi