Propagate the display id with SysUIState changes to launcher

This changes the ILauncherProxy.aidl interface to also allow propagating the display id from SysUI to launcher for each SysUIState update.

The SysUI part of filling SysUI state correctly has not been implemented yet. But for now, only default display flags are propagated anyway.

Bug: 362719719
Bug: 398011576
Test: LauncherProxyServiceTest
Flag: com.android.systemui.shade_window_goes_around
Change-Id: I985e77356344e40435b00e14d6305bdaa81b960b