Add some extra info the bubble dumpsys

BubbleController
- Add the userId & status bar state, and whether bubbles are showing
  in bar format or not

BubbleStackView
- Add whether the stack is temporarily invisible

Also modified some formatting.

Test: manual - add some bubbles
             - adb shell dumpsys activity service com.android.systemui | grep -A 100 "BubbleController state"
Bug: 294121232
Change-Id: I871fed51e9e75d0e8e97af3a14470cc5af03b581