Badges and AirPlay user experience improvements

• Content available on Play SRG before it is brodcast on TV is identified with a Webfirst badge.
• An ST badge identifies content for which subtitles are available. An option is available in the application settings to display this information everywhere.
• The system can automatically suggest AirPlay devices based on your usage.
• Seeking is possible directly in the control center or on the lock screen.
• When playing a media with AirPlay, subtitles and audio tracks can be changed directly from the lock screen.
• Playback resumes automatically after being interrupted by a phone call or an alarm.
• Fix history progress indicator in history, later and downloads views on iOS 13.