Fix edge effect not showing up on first scroll

This CL fixes a bug in AbsListView when it was not invalidating
mEdgeGlowTop and mEdgeGlowBottom region since the bound of these
EdgeEffect were not set. This was triggering a bug that no edge effect
(overscroll animation) show up on the 1st scroll in ListView.

Bug: N/A
Test: manual - check 1st overscroll animation on a ListView activity

Change-Id: Ic76b894f8e21f9b16651d246bc73ebeaef08fa21
Signed-off-by: Vu Thanh Cong <vuthanhcong.ict@gmail.com>