Adjust bounds of a task moving to another display

This CL applies a set of adjustments to the bounds of a freeform task
moving to another freeform display.

- Update bounds in pixels so that it retains bounds in DP, considering
  the density difference between displays.
- Adjust a task's position so that it retains the ratio of the left and
  right margins of the task.
- If the task bounds do not fit within the destination display, use the
  default launch bounds instead.

Bug: 375079111
Test: DesktopTasksControllerTest
Flag: com.android.window.flags.enable_move_to_next_display_shortcut
Change-Id: I0930b4ea768946d32e5c07c222eb44fe178aa5d8