developer: add commonly used glboal config in developer-prefill.sql

This commit adds three commonly used config that developers usually set
after fresh deployment. The account cleanup timeout is set to 60s to speed up
BVT runs.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
(cherry picked from commit a68d8986829c462d655bf59a0cbcc0d4e8b1cc3e)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
Adding keytool to the list of sudo commands for cloud user to allow certificate creation during startup

Signed-off-by: Hugo Trippaers <htrippaers@schubergphilis.com>