Fix attempt for testDragToFolder

The reason the test fails is that since the tap targets are smaller, the
drag is too fast and the hover over icon to create folder time doesn't
elapse

Bug: 383917141
Test: TaplDragTest#testDragToFolder
Flag: TEST_ONLY
Change-Id: Iadf0587c3c1c9b5aa50b508a35321bb398d36e5c