Restore global_config.ini (necessary for autotests to run).

Partially reverts I1ddcddac233a7499b7150e5bbea1506c0ceb174a.

BUG=chrome-os-partner:11679
TEST=build_image

Change-Id: Ia3d30ab0bdb424b5c5584ed761244f2d06538651
Reviewed-on: https://gerrit.chromium.org/gerrit/28160
Commit-Ready: Jon Salz <[email protected]>
Reviewed-by: Jon Salz <[email protected]>
Tested-by: Jon Salz <[email protected]>

Author: Jon Salz

Diff for: mod_for_factory_scripts/400configAutotest

@@ -0,0 +1,20 @@
+#!/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.
+
+echo "Configure autotest setting."
+
+GLOBAL_CONFIG="${ROOT_FS_DIR}/usr/local/autotest/global_config.ini"
+
+if [ -f "${GLOBAL_CONFIG}" ]; then
+  echo -e "File ${GLOBAL_CONFIG} already exists."
+  exit 1
+fi
+
+cat >"${GLOBAL_CONFIG}" <<EOF
+[CLIENT]
+drop_caches: False
+drop_caches_between_iterations: False
+EOF