Input enter in user anwser is equivalent to pressing n.

Bug: 123050795
Test: $atest acloud_test &&
uninstall ssvnc then run $acloud create

Change-Id: Ied142a8ca082629640971e6198fbaea3922787fd
diff --git a/setup/host_setup_runner.py b/setup/host_setup_runner.py
index e9e8f14..6f6e2c3 100644
--- a/setup/host_setup_runner.py
+++ b/setup/host_setup_runner.py
@@ -152,6 +152,6 @@
             True if user answer yes.
         """
         answer_client = utils.InteractWithQuestion(
-            "\nPress 'y' to continue or anything else to do it myself:[y]",
+            "\nPress 'y' to continue or anything else to do it myself[y/N]: ",
             utils.TextColors.WARNING)
         return answer_client in constants.USER_ANSWER_YES