Skip waiting for draw when triggering split screen from global action.

- Currently a workaround for accessibility use case for split screen,
  this logic is not used for quickstep so just skip waiting for draw
  to animate the divider.

Bug: 74531468
Test: atest CtsAccessibilityServiceTestCases:AccessibilityWindowQueryTest#testWindowDockAndUndock_dividerWindowAppearsAndDisappears
Change-Id: I4b584443d4bf6acfbda92e5a2bfcd4470636d6c5