Update notes for submitted changes

* Modify config to support app specific themes [1/4]
Update notes for submitted changes

* Add getThemedResourcesForApplicationAsUser()
Update notes for submitted changes

* Allow specifying a theme when creating a Context
Update notes for submitted changes

* Use systemui's applied theme for notifications.
Update notes for submitted changes

* Themes: Add icon previews to ThemesContract
Update notes for submitted changes

* BaseStatusBar: Dismiss heads up on backpress.