Add AsyncImageView

[nielsvanvelzen]

The AsyncImageView makes it easier to load images with an optional placeholder and blurhash. This change is a part of something bigger I'm working on, extracting it to make that PR smaller.

Changes

• Add AsyncImageView
  • Use AsyncImageView in DefaultCardView
  • Use AsyncImageView in NextUpFragment
  • Use AsyncImageView in FullDetailsActivity poster
  • Use AsyncImageView in AudioNowPlayingActivity poster
  • Use AsyncImageView in LegacyImageCardView
  • Use AsyncImageView in CustomPlaybackOverlayFragment logo
  • Use AsyncImageView in NowPlayingView
  • Use AsyncImageView in ItemListActivity
• Remove unused imageUrl from GridButton

Issues