v2.73.rc3

• FEC-8576 - [Player_V2][KAVA] - In mobile device, locking the phone does not cause a pause event (33)
• SUP-15744 - Chromecast doesn't work for live entries
• SUP-13321 - QnA box behavior when exiting full screen
• SUP-15195 - Missing Scroll Bar in Chapters
• SUP-16282 - [TR] - Captions Flashing at bottom left of player v 2.71+
• FEC-8577 - [Player_V2][KAVA] - After replaying a video, no event '99' is fired
• FEC-8545 - V2 - iOS 11 & 12/Android 8.0 seeking the video before starting playback player stays in an endless spinning wheel state
• remove legacy live analytics (#3936)