[Bug]: Persistent incoming call notification displayer on car

### Is there an existing issue for this?

- [x] I have searched the existing issues

### In which area is the issue?

Connectivity

### In a specific sample?

TelecomCallRepository

### What happened?

Hello,

I’ve implemented the Telecom framework (Jetpack) in my app. It is working well on the phone and with watches, but when the phone gets connected to a car via Bluetooth (so not Android Auto), a persistent incoming call notification shows up, even though I am not getting a call. The only way to get rid of it is to disconnect the phone, none of the buttons are working.

Why is this happening, is it a known issue or what could be the solution? I compared my app with the sample app and all key parts look the same.


Thank you!

### Relevant logcat output

```shell

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### Code of Conduct

- [x] I agree to follow this project's Code of Conduct

Start with the TelecomCallRepository sample and compare its Telecom framework integration with the reporter's app. Reproduce the persistent incoming-call notification after connecting a phone to a car over Bluetooth, then use relevant logcat output to determine the cause and document a confirmed solution or limitation.

Written by the indexing model from the issue text.