switch from chromeos-base/chromeos-dev to virtual/target-os-dev

This is mechanical -- virtual/target-os-dev depends on chromeos-dev,
so there shouldn't be any real difference in the build.

BUG=chromium:329920
TEST=`cbuildbot {arm,amd64,x86}-generic-full` pass
TEST=`cbuildbot beaglebone` passes
CQ-DEPEND=CL:194965
CQ-DEPEND=CL:194928

Change-Id: I4a48cee1c919ef540ccc13613e0f933680c38ea1
Reviewed-on: https://chromium-review.googlesource.com/194984
Reviewed-by: Gaurav Shah <gauravsh@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/build_library/dev_image_util.sh b/build_library/dev_image_util.sh
index fe82f80..75d3474 100755
--- a/build_library/dev_image_util.sh
+++ b/build_library/dev_image_util.sh
@@ -32,8 +32,8 @@
   # Install dev-specific init scripts into / from chromeos-dev-root.
   emerge_to_image --root="${root_fs_dir}" chromeos-dev-root
 
-  # Install developer packages described in chromeos-dev.
-  emerge_to_image --root="${root_dev_dir}" chromeos-dev
+  # Install developer packages.
+  emerge_to_image --root="${root_dev_dir}" virtual/target-os-dev
 
   # Copy over the libc debug info so that gdb
   # works with threads and also for a better debugging experience.
diff --git a/build_packages b/build_packages
index 9be5a2a..8b3702d 100755
--- a/build_packages
+++ b/build_packages
@@ -199,7 +199,7 @@
 if [[ $# -eq 0 ]]; then
   PACKAGES=( virtual/target-os )
   if [[ "${FLAGS_withdev}" -eq "${FLAGS_TRUE}" ]]; then
-    PACKAGES+=( chromeos-base/chromeos-dev )
+    PACKAGES+=( virtual/target-os-dev )
   fi
   if [[ "${FLAGS_withfactory}" -eq "${FLAGS_TRUE}" ]]; then
     PACKAGES+=( chromeos-base/chromeos-installshim )
diff --git a/get_package_list b/get_package_list
index 4a07f9b..eb5079c 100755
--- a/get_package_list
+++ b/get_package_list
@@ -1,11 +1,10 @@
 #!/bin/bash
-
-# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Copyright 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.
 
 # Lists all package dependencies of a particular package.  Useful to find out
-# all packages depended on by chromeos and chromeos-dev.
+# all packages needed for a specific OS base or dev target.
 
 SCRIPT_ROOT=$(dirname $(readlink -f "$0"))
 . "${SCRIPT_ROOT}/common.sh" || exit 1