DisplayCutout: Fix positioning of NO_LIMITS windows

Fixes an issue where popup windows (which are clipped to the display, but not
the parent frame) would extend under the cutout in landscape.

Change-Id: Id4927f6152e207985eb7d20b26faffbe6a6e5bbc
Fixes: 73012958
Test: Enable cutout emulation > go to gmail > landscape > open email > open overflow menu for a single email > verify it does not extend into cutout
Test: atest PhoneWindowManagerLayoutTest