Meditation Player crashes on state change #629

Describe the bug
Media player in the meditation activity crashes on orientation change. After changing the orientation the seek-bar stops working and the play, pause & reset button become inactive.

Expected Behavior
The audio should play normally and the functionality of seek-bar and buttons should remain intact.

Steps to reproduce it
Launch meditation activity -> Play a therapy -> Change the orientation.

Screenshots of the issue
20200212_225927

System Information

Would you like to work on the issue?
Yes.