Merge "[Settings] Refactor Wifi Calling description text" am: 078f873ccc am: 54e4845d54 am: 2bed540284 am: 6418f1822d

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/1904791

Change-Id: I3cdfc7fe343d68f0c10b733a367f56669a8a7b4e