Switch gerrit on TLS/HTTPS scheme

Change-Id: Iab612994039e8e8527ac14dd9144e8ab0d12db80
Related-Prod: PROD-27542 (PROD:27542)
(cherry-picked from commit 5a05161a8d07a2658b57d119eaa49125311fea64)
diff --git a/gerrit/client/init.yml b/gerrit/client/init.yml
index 16e4231..4ed374e 100644
--- a/gerrit/client/init.yml
+++ b/gerrit/client/init.yml
@@ -19,7 +19,7 @@
         auth_method: basic
         http_port: 8080
         ssh_port: 29418
-        protocol: http
+        protocol: https
         password: ${_param:gerrit_admin_password}
         key: ${_param:gerrit_admin_private_key}
       user: