Added flicker test for restart handle menu

The new restart handle menu is available for SCM and DCM apps
when they move between displays. This change adds a functional test
for SCM (unresizable portrait) apps.

Demo: http://shortn/_p3OZMYmlDv

Bug: 412236360
Test: atest PlatformScenarioTests:com.android.wm.shell.functional.RestartSizeCompatAppInDesktopMode
Flag: com.android.window.flags.enable_restart_menu_for_connected_displays
Change-Id: Ic8c95da8e29574a05689abe791ecfdb1d348ddf5