Fix double scroller of App info page

App info page has enabled the FastScroll for recycler view to provide a
vertical scroll bar.

In tabbed screen, the default scroller will be shown and then occurred
overlap problem with FastScroller.

Hide the default scroller to fix this double scroller problem.

Fixes: 150285712
Test: visual
Change-Id: I26390a0497d820e3a07e8df247a4bc03b5ff23d9