Allow updating default DBus timeout on every interface

Authored by aleksanderm on Jul 11 2019, 11:32 AM.

Description

Allow updating default DBus timeout on every interface

Summary:
Some methods in the ModemManager API (e.g. network scan) may take
longer to complete than the default DBus timeout configured for the
QDBusAbstractInterface, which is 25s usually.

Allow clients to update this default timeout on every interface.

Reviewers: Frameworks, jgrulich, broulik

Reviewed By: jgrulich

Subscribers: kde-frameworks-devel

Tags: Frameworks

Differential Revision: https://phabricator.kde.org/D22395