Merge "Fix that voicemail number displayed as unknown after reboot device" am: f4da55a7f5 am: 7fd6cc9704 am: df2dcaf31f am: 0751b5f172

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1381556

Change-Id: Ib650cecd8b9b57c77ab7800d02e32b7e09de4821