Introduce PictureColorModePreferenceController

 - Create new PictureColorModePreferenceController
 - Create controller inside the DashboardFragment
 - Refactor ColorModePreference so isAvailable() no longer depends on
 ColorModePreference
 - Port logic from DevelopmentSettings into the controller

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: I8dff5b0d5ad1d7f043fc7ead540b2c0c960933e3