(Forgive me if this has been mentioned elsewhere, but 1350+ posts in is hard to scroll through and I didn't find this when I conducted a search.) There are some awesome features that are available on AOSP 11. The System UI Tuner is not available by default, but will be if you use this command adb shell am start com.android.systemui/com.android.systemui.DemoMode
I was able to edit (get rid of) some of the icons in the status bar (I don't need to know my hotspot is on, it's practically always on). I need to figure out how to add the temp icon from the weather app up there. And the native Do Not Disturb also becomes available. I haven't been able to test it yet, but if I can use that and delete another app, that's good for me. On the downside, as soon as you exit out of the interface, you have to ADB to get it going again. But ideally, you only need to use it once.
Also, found out quite accidentally, SCRCPY on webadb basically gives the smartphone experience. What I mean is, usually when I'm on a call, I can't do anything else. BUT with webadb, I was able to run commands and with SCRCPY confirm they ran, while remaining connected to my call! (note: must have debugging turned on before the call for this to work)
ETA: The stock DND is very basic, there's no scheduler, and even though I told it to allow alarms, the alarm didn't sound for me. So I will stick to my DND app. Also the temp from the weather app will appear in the icon bar if you goto developers options, and turn on System UI Demo Mode (different interface than the command above).