Lazy async group notification views inflation

Use the result of the notification pipeline grouping to inflate the single-line and group summary views instead of the grouping status of status bar notification. This change can reduce the views to inflate to optimize memory usage.

Bug: 217799515
Test: atest NotifUiAdjustmentProviderTest
Flag: ACONFIG notification_async_hybrid_view_inflation STAGING
ACONFIG notification_async_group_header_inflation DEVELOPMENT

Change-Id: If33f4862b540754dc67651b06f5fa354fb23aa8c