Ensure the incoming call will not ring forever, in case the call is not ended by another way

[bmarty]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

Ensure the incoming call will not ring forever, in case the call is not ended by another way.
Add a safe 2 minutes timer.

Motivation and context

Fixes #8178

Screenshots / GIFs

Tests

• Receive a call, the phone rings
• move to airplane mode
• without the patch: the phone rings forever
• with the patch: the phone stop ringing after 2 minutes

Tested devices

• Physical
• Emulator
• OS version(s):

Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR
• If you have modified the screen flow, or added new screens to the application, you have updated the test UiAllScreensSanityTest.allScreensTest()

[ganfra]

LGTM not tested