Refactor ThemePickerCustomizationOptionBinder (1/2)

1. Strcitly require the views
2. Type all the view values

Test: Manually tested it's still wokring
Bug: 372281743
Flag: com.android.systemui.shared.new_customization_picker_ui
Change-Id: I90013bb347aa41053f20b88cde35c07c5f7c56f7