Add logs for all ExpandableNotificationRow transient views adding to and...

Add logs for all ExpandableNotificationRow transient views adding to and removing from NotificationChildrenContainer

Add logs for all ExpandableNotificationRow transient views that are added to and removed from NotificationChildrenContainer. To help with:
1. determining if the known additions and removals are working as intended (especially in a good order) .
2. discovering unknown additions and removals.

Bug: 281628358
Test: `adb shell settings put global systemui/buffer/NotifRenderLog
VERBOSE` and look for NotifChildrenContainer tag in logcat

Change-Id: I15dafc75d224890643b5ce6b9bbfa45d03ebe14e