Treat date as a number
GappsUpdater: use maintenance version number
Force checking for updates in SystemActivity

Turning off the updates check made the system activity to show no information.
Accessing system updates must check always for rom and gapps updates.

Credits to Curtis Mayers for finding the problem.
Merge "Treat date as a number" into kitkat
Merge "GappsUpdater: use maintenance version number" into kitkat
Merge "Force checking for updates in SystemActivity" into kitkat
Add support for gapps stock package

Users can chose between the three gapps packages in settings (full, mini and stock).
The default one is the full package.

Change-Id: Ibf6cf40c95b04889a46cbcce080e994635440809
Merge branch 'kitkat' of github.com:AOSPA/android_packages_apps_ParanoidOTA into kk4.4