Fix keyboard navigation between editable text fields

In the contact editor, currently keyboard navigation
between editable text fields is broken. By setting
the IME options flag, the "next" button will be
offered in the IME when the user is in an editable
text field.

Bug: 5599728
Change-Id: I5eb74455148c1f58f9fba8ece2c5089d9fdc6bf3