* Set filterTouchesWhenObscured for all views
* Warn the user if Apps using the SYSTEM_ALERT_WINDOW permission are installed
* Warn the user if an App using the permission is installed while Briar is running

Signed-off-by: goapunk <noobie@goapunks.net>

These counters are already reset when the user clicks the notification
or vists the area of the app the notifications are for.

This also removes a potential intent hijacking vulnerability.

Signed-off-by: goapunk <noobie@goapunks.net>

Also fixed a bug with settings namespaces.

Signed-off-by: goapunk <noobie@goapunks.net>

and a corresponding method for fragments that calls through to the activity.
For now, the method just finishes the activity
and NavDrawerActivity overrides it to do nothing,
and all the error places marked with TODO that finish the activity call the method instead.

That gives us zero functional improvement over the status quo,
but it allows us to change the default behaviour easily,
and then we can start thinking about which cases should have non-default behaviour.

and use the primary color for the notification.

* Ignore results until the KeyAgreementTask is ready and returned the local payload

Signed-off-by: goapunk <noobie@goapunks.net>