Fix the SysUI dialogs size after rotating

This CL fixes a bug where the width of any SystemUIDialog animated by
DialogLaunchAnimator would be smaller than it was supposed to be. See
b/230825604#comment4 for more info.

Bug: 230825604
Test: Manual
Change-Id: Ief2265b93fb4e45138f2f8c890c085d00e86b76d