Cache isIgnoreActivitySizeRestrictions

isIgnoreActivitySizeRestrictions is only set when display is created.
Cache value per displayContent to reduce invocations to
displayWindowSettings.

Flag: com.android.window.flags.vdm_force_app_universal_resizable_api
Bug: 372848702
Bug: 377616789
Bug: 379969532
Test: MemoryOnBoot
Change-Id: Id0b7c609c1c43ab731f9c10f21d71e51d3084525