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This fixes bug 421108 (https://bugs.kde.org/show_bug.cgi?id=421108)

On my Nokia 8, no SIM card means that there is no subscription
info, which will lead subscription info list a null pointer.

## Summary

Use `content://mms-sms/conversations?simple=true` instead of just `content://mms-sms/conversations` which should work for more devices (and is reported to work on Samsung devices)

For some reason, this misses exactly one conversation on my phone and throws back one invalid thread ID -- I suspect this indicates that my message database is corrupt 🤷

BUG: 401677

## Test Plan

### Before:
Lots of devices were not able to retrieve conversations. See [bug 401677](https://bugs.kde.org/show_bug.cgi?id=401677)

### After:
Hopefully all devices are able to retrieve conversations. At minimum, hopefully there are no regressions :)

[SMS Helper] Catch more exception types which indicate that "sub_id" is not supported in the given URI

Satisfies minimum version of Android gradle plugin. See
https://developer.android.com/studio/releases/gradle-plugin#updating-gradle