New battery saver settings page, accessed via
the power usage settings overflow menu.
The settings page has a master switch to toggle
battery saver mode, feature disclosure text,
and a preference to configure the automatic
trigger level.
Remove developer checkbox now that this option
has a real home.
NO_SQ: multi project change
Bug:13329308
Change-Id: Iac54238f3406439711b44a3c17f220ac5e370a37
- Fix wiring for the "At night" section. Remove fragile index-based
logic by adding value support to DropDownPreference.
- Actually refresh zen config if it changes.
- Only show the enter zen dialog for user-initiated changes.
Change-Id: Ic3a3b9864942fb3ebf18cd838339de2ff28f9394