Only log adjustment preferences for full users and managed profiles

Also fix some test comments that were inaccurate from being edited in the past, and set up full users and profile users with the appropriate flags. This allows the checks for whether a user is a full user or a (managed) profile to happen correctly.

Fixes: 417243771
Test: NotificationAssistantsTest, atom tester
Flag: android.app.notification_classification_ui
Flag: android.app.nm_summarization_ui
Change-Id: I388462418708e198106ec059342b07590b0376fc