Add fastscroll to the Manage applications screen

so you don't need to scroll so much if you have alot of apps
and want to go to the bottom of the list.

Change-Id: I96d892abf53a9da784ae1df056558d4fd3cf64f6
(cherry picked from commit 60bc7ec919b5c7a3acb461db8940c44c4149c761)