Fix preservation of phonetic name on device rotation in contact editor

This fix is similar to the fix for preserving structured names
on device rotation. I644bfea2af4e759e1d7d94aa09840ed15efd079d

We basically detect whether fields are visible or not before
trying to update the underlying name.

Bug: 5600858
Change-Id: Ic455cc87fa2872441b5d2a0e7da67ffc1798ec3d