- access offline module using MediaPlayer.getOfflineController()
- modify OfflineController API ("record" instead of "download")
- inject dependencies when creating OfflineController
- use MediaInfo type to get and select the available tracks representations to record/download
- add offline module types in index.d.ts
- update jsdoc
- update sample

- store original manifest as a string in indexedDB instead of full object (can lead to DataCloneError)
- use DashParser to parse stored manifest when loading/resuming download of a record

(cherry picked from commit 5e6b73e)