Log a proper event when drag-to-maximize

This CL replaces the tentative event for drag-to-maximize with the
proper one, DRAG_TO_TOP_RESIZE_TRIGGER.

Bug: 375356605
Flag: com.android.window.flags.enable_drag_to_maximize
Test: DesktopTasksControllerTest
Change-Id: I9cca0cd5827985168995218437fba9ae0a17a474
3 files changed