Don't install autotest bits to the image.

common.sh

Index: common.sh
diff --git a/common.sh b/common.sh
index 036f7972f5fe1c8f12ffcdebfac0f0476f1bb12b..6765c41f6468fa1554149714768107a963c6c9e9 100644
--- a/common.sh
+++ b/common.sh
@@ -131,13 +131,15 @@ DEFAULT_INSTALL_MASK="/usr/include /usr/man /usr/share/man /usr/share/doc \
   /usr/share/gtk-doc /usr/share/gtk-2.0 /usr/lib/gtk-2.0/include \
   /usr/share/info /usr/share/aclocal /usr/lib/gcc /usr/lib/pkgconfig \
   /usr/share/pkgconfig /usr/share/gettext /usr/share/readline /etc/runlevels \
-  /usr/share/openrc /lib/rc *.a *.la /etc/init.d /usr/lib/debug"
+  /usr/share/openrc /lib/rc *.a *.la /etc/init.d /usr/lib/debug
+  /usr/local/autotest /usr/local/autotest-chrome"
 
 FACTORY_INSTALL_MASK="/opt/google/chrome /opt/google/o3d /opt/netscape \
   /usr/lib/dri /usr/lib/python2.6/test /usr/share/chewing /usr/share/fonts \
   /usr/share/ibus-pinyin /usr/share/libhangul /usr/share/locale \
   /usr/share/m17n /usr/share/mime /usr/share/sounds /usr/share/tts \
-  /usr/share/X11 /usr/share/zoneinfo /usr/lib/debug"
+  /usr/share/X11 /usr/share/zoneinfo /usr/lib/debug
+  /usr/local/autotest /usr/local/autotest-chrome"
 
 # Check to ensure not running old scripts
 V_REVERSE=''