Video playback stops with screen timeout

### Steps to reproduce:

1. Within Element Android Start video that is longer than your screen timeout

### Outcome
**What did you expect?**
The video should keep playing regardless of screen timeout

**What happened instead?**
The screen times out and the playback stops

### Your phone model
Pixel 4a

### Operating system version
Android 12

### Application version and app store
1.4.27 (google play store)

### Homeserver
synapse 1.62 (self hosted)

### Will you send logs?
No