Update Window List when the windowToken is moved

When a window is moved from display A to display B. We don't have any callbacks
to update window list of A and B. We update window list when the displaycont of
windowtoken is changed.

Bug: 140277818
Test: AccessibilityEndToEndTest
Change-Id: I3f9cc34ec3f24178df33bcc632e6af33b6dc3e7c
2 files changed