Gets image_to_live to work with a custom devserver_port

image_to_live.sh

Index: image_to_live.sh
diff --git a/image_to_live.sh b/image_to_live.sh
index 76942912f29384af5bed4c2026285160095b9c5e..26a52997dee7e5768086241fdf924fa402b94826 100755
--- a/image_to_live.sh
+++ b/image_to_live.sh
@@ -89,7 +89,7 @@ function reinterpret_path_for_chroot() {
 
 function start_dev_server {
   kill_all_devservers
-  local devserver_flags=${FLAGS_devserver_port}
+  local devserver_flags=
   # Parse devserver flags.
   if [ -n "${FLAGS_image}" ]; then
     devserver_flags="${devserver_flags} \
@@ -111,7 +111,8 @@ function start_dev_server {
 
   info "Starting devserver with flags ${devserver_flags}"
   ./enter_chroot.sh "sudo ./start_devserver ${devserver_flags} \
-       --client_prefix=ChromeOSUpdateEngine > ${FLAGS_server_log} 2>&1" &
+       --client_prefix=ChromeOSUpdateEngine \
+       --port=${FLAGS_devserver_port} > ${FLAGS_server_log} 2>&1" &
 
   echo -n "Waiting on devserver to start"
   until netstat -anp 2>&1 | grep 0.0.0.0:${FLAGS_devserver_port} > /dev/null