* Add `getForegroundInfo` implementation to try to fix issues with WorkManager on Android 12 and below
This may be a MIUI-only issue as I couldn't reproduce it with several emulators on Android 11, 12 and 13.
* Use `setExpedited` only on Android 13 or higher, it's not needed on older versions
* Use an actual string resource, fix tests
* Fix review comments
* Fix broken test with Element Pro:
Instead of using Robolectric with API < 33 (since Pro uses minSdk 33) use a `BuildVersionSdkIntProvider`
* Remove `getForegroundInfo` and the associated permission, as we expect it to be dead code
* Fix lint issues
* Cleanup NotificationIdProvider
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Co-authored-by: Benoit Marty <benoit@matrix.org>
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