Sandboxing for non-resizable in multiwindow

Sandbox max bounds for non-resizable app in multi window. Apply
sandboxing for non-resizable in multi window as long as it should
have compatDisplayInsets, so that we keep the API consistent
before and after the parent window change.

Bug: 182406985
Test: atest WmTests:SizeCompatTests
Change-Id: I0e4f3f3444d04ee6f515c74ae7f4af50edd533a7