Prospective build fix in the CI system for iOS

Tools contains the import scanner, which is needed by examples.

Change-Id: Ib32338b4b32bf6dd7f1f4a7a2cd5af14ef7eec7a
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>

qtdeclarative.pro

-CONFIG += tests_need_tools
+CONFIG += tests_need_tools examples_need_tools
 load(qt_parts)