Change bundles & summarization settings to be per-user

This change separates out settings for whether bundles & summarization are enabled for each user (full or profile), as well as distinguishing packages by the user they're associated with. Profiles inherit the specific classification types that are enabled for the associated full user.

Bug: 380290891
Flag: android.service.notification.notification_classification
Test: NotificationManagerServiceTest, NotificationAssistantsTest, manual
Change-Id: I6d5865d1f51f51fb0e0ecd9e440c5f10e12dfad2