Logs BundlePreferences on pkg data pull

Logs new BundlePreferences atom, to be recorded based on a user's
opt-outs to the bundling feature. Also logs a "bundles_allowed" feature
to PackageNotificationPreferences, which stores whether the package has
been opted out of bundles.

Bug: 375462619
Flag: android.app.notification_classification_ui
Test: atest PreferencesHelperTest
Test: atest NotificationAssistantsTest
Change-Id: I3d99add363f07dd91142fd5d482cafd46e70bbe3