theming (#1431)
* refactor(branding): Use android-common to apply branding
* refactor(branding): Rename BrandingUtil to ViewThemeUtils
* refactor(branding): Move DeckViewThemeUtils to own class
* refactor(branding): Apply theming to NavigationView
* refactor(branding): Roll out android-common based theming
* refactor(branding): Change terminology from "branding" to "theming"
* refactor(branding): Get rid of DeckColorUtil
Signed-off-by: Stefan Niedermann <info@niedermann.it>