Work on issue #5461497: Landed on Welcome screen after a tap on 'Next' in Screen 500

With the corresponding change for the activity manager to allow the home
activity to finish itself, this activity can now be a little less dirty
and just call finish() when it finds it is not needed.

Change-Id: I1a449c7bec9fba659e27a9e918f8a9b0c55b2098