Skip dropping caches in each test and between iterations during factory tests.

src/scripts/mod_for_factory_scripts/400configAutotest

Index: src/scripts/mod_for_factory_scripts/400configAutotest
diff --git a/src/scripts/mod_for_factory_scripts/400configAutotest b/src/scripts/mod_for_factory_scripts/400configAutotest
new file mode 100755
index 0000000000000000000000000000000000000000..360a7e0cd7b9af8c3ea776c7196ce1ddefc1fca8
--- /dev/null
+++ b/src/scripts/mod_for_factory_scripts/400configAutotest
@@ -0,0 +1,17 @@
+#!/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 "Create global_config.ini in autotest directory."
+
+pushd ${STATEFUL_DIR}
+
+cat > ${STATEFUL_DIR}/home/autotest-client/global_config.ini <<EOF
+[CLIENT]
+drop_caches: False
+drop_caches_between_iterations: False
+EOF
+
+popd