For keyboard DnD, we use Accessible DnD implementation.
A placeholder FloatingView draws the focus indicator
for the virtual views
Test: Visible
Bug: 178781566
Change-Id: I632fc7377dffa1e05e3f0a9c3ad18641deb5a1a4
> Removing some special checks around accessibility drag
> Unifying folder alarm code path for accessible and normal DnD
> Maintaining mDragStartTime inside the dragDriver instead of the callers
> Simplifying some accessibility callbacks
Future cl will create a Accessibility DragDriver and unify it with
other DnD flow
Change-Id: I1919ef218de0174678110f271b450bcb9aaf4a5c
> Moving DragAndDropAccessibilityDelegate to a separate class
> Using getFocusedVirtualView() instead of using DownX and downY
> Updating various accessibility strings
Bug: 19776741
Change-Id: I85c2551d4d6172c30702e68f41b114bb999655b6
