Added custom data to VideoCastControllerActivity, added a label for live video in that activity, fixed some typos, added customData to MediaInfo wrapper
Merge branch 'master' of https://github.com/googlecast/CastCompanionLibrary-android

# By anaddaf
# Via anaddaf
* 'master' of https://github.com/googlecast/CastCompanionLibrary-android:
  Added custom data to VideoCastControllerActivity, added a label for live video in that activity, fixed some typos, added customData to MediaInfo wrapper