Android Video Calling Example Not Working

[NavyJot]

Please provide us with the following information:

This issue is for a: (mark with an x)

- [X ] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

Checkout code
Replace UserToken
Run app
Add callee id
App crashes on join

Any log messages given by the failure

Expected/desired behavior

Video Call To Start when clicked on call button

Versions

Android 11

Mention any other details that might be useful

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