- Convert the old application-level dialog to an activity.
- Move the settings icon to the new activity (out of the list).
- Add a custom application header, similar to the switch bar style.
- Use the ubiquitous vector gear for the settings icon.
- Migrate old checkboxes to switch prefs, add new summaries.
- Remove obsolete artifacts.
Bug:16396715
Change-Id: I857e3cf448b79f44fe1c242e6020f5214434c00c
