am a61df8f6: am 056bc731: am 1ddb7cae: am eb09fe5e: Merge "Remove most of ExoPlayer page, replacing it with links to ExoPlayer site." into lmp-docs

* commit 'a61df8f63c55d96c5443449a9fb538ad97224a52':
  Remove most of ExoPlayer page, replacing it with links to ExoPlayer site.