Do not delete src_image if --notest_mod is set.

src/scripts/archive_build.sh

 #!/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 to archive build results.  Used by the buildbots.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
@@ skipping 131 matching lines @@
       "--factory"
 fi
 
 if [ $FLAGS_factory_install_mod -eq $FLAGS_TRUE ]
 then
   echo "Modifying image for factory install"
   do_chroot_mod "${FLAGS_from}/chromiumos_factory_install_image.bin" \
       "--factory_install"
 fi
 
-# Remove the developer build.
-rm -f ${SRC_IMAGE}
+# Remove the developer build if test image is also built.
+if [ $FLAGS_test_mod -eq $FLAGS_TRUE ] ; then
+  rm -f ${SRC_IMAGE}
+fi
 
 # Zip the build
 echo "Compressing and archiving build..."
 cd "$FLAGS_from"
 MANIFEST=`ls | grep -v factory`
 zip -r "${ZIPFILE}" ${MANIFEST}
 
 if [ $FLAGS_factory_test_mod -eq $FLAGS_TRUE ] || \
    [ $FLAGS_factory_install_mod -eq $FLAGS_TRUE ]
 then
@@ skipping 21 matching lines @@
 if [ $FLAGS_keep_max -gt 0 ]
 then
   echo "Deleting old builds (all but the newest ${FLAGS_keep_max})..."
   cd "$FLAGS_to"
   # +2 because line numbers start at 1 and need to skip LATEST file
   rm -rf `ls -t1 | tail --lines=+$(($FLAGS_keep_max + 2))`
   cd -
 fi
 
 echo "Done."