[8/n] Add drag resize listener to desktop app header

No-op change to add skeleton to log task resize start and end with
deskId identifier in DesktopModeWindowDecorViewModel instead of
DragResizeInputListener which shouldn't have any desktop dependencies.

Flag: EXEMPT refactor
Bug: 423560267
Test: m && atest WMShellUnitTests
Change-Id: I1b1a90015d90cf674dfcef8f8e28a001e2d8430a