Enforce stricter CI rules on QtConnectivity.

It mostly covers the wip/android branch but stable and dev
can be stricter too.

Change-Id: If9bcb7a7449b5d2c852fadf122254c715a6aa1ca
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Reviewed-by: Simo Fält <simo.falt@digia.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>