When tearing down XOS, preserve cord_profile dir by default

Change-Id: Ie53191485bcbaccc9bb2b5480a0aaa62ef250f39
diff --git a/roles/teardown-profile/defaults/main.yml b/roles/teardown-profile/defaults/main.yml
index 42ace11..b050484 100644
--- a/roles/teardown-profile/defaults/main.yml
+++ b/roles/teardown-profile/defaults/main.yml
@@ -8,3 +8,4 @@
 xos_docker_networks:
   - "xos"
 
+delete_cord_profile_dir: False
\ No newline at end of file