Android screenshot testing playground

Updated a GitHub repository
  • Rename "Road to effective snapshot testing" to "Android screenshot testing playground" containing screenshot tests with the libraries:
    • Dropshots
    • Paparazzi
    • Shot
  • move screen related UI components/dialogs into their own UI library module (required by Paparazzi)
  • create submodules in each UI module for each screenshot testing library (:dropshots, :paparazzi, :shot)
  • Write the equivalent (as much as possible) existing Shot tests also with Paparazzi and Dropshots