Piyush Aggarwal authored Jan 16, 2019 and Albert Astals Cid committed Jan 16, 2019

Summary:
`Show persistent notification` toggle is disabled from Android O and up
This patch aims to enable the toggle with link to Notifications Settings, so that user can itself disable the persistent notification if desired

Test Plan: Apply patch, use on Android O or up device and use `Show persistent notification` toggle. It should take you to Notifications settings page of KDE Connect

Reviewers: #kde_connect, albertvaka

Reviewed By: #kde_connect, albertvaka

Subscribers: albertvaka, eduisters, nicolasfella, kdeconnect, #kde_connect

Tags: #kde_connect

Differential Revision: https://phabricator.kde.org/D18181