MB-100: incr time in ver_all_buck startstoprebinout

Change-Id: Iebc237ab69b5f14226fd1a69fcd6d4aee7537f3b
Reviewed-on: http://review.couchbase.org/24260
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>