Enable restart menu for SCM apps

There's no way to restart SCM apps in desktop windowing. (The
existing restart button is only enabled in fullscreen.)

The new restart menu can be used for this purpose.

Flag: com.android.window.flags.enable_restart_menu_for_connected_displays
Fix: 416595413
Fix: 416326867
Test: AppCompatDisplayCompatTests
Change-Id: Ia3745a5eb56a75fd9da841a11775e2d2c19efdb6