Fix missing encoding attribute on FN field.

When FN field is built from display name, the encoding attribute is missing.
Created common method to build N and FN fields so they will not be out of
sync in the future.

Bug: 7292017
Change-Id: I7faceb316b639d626a54bdd455df1e748b22face
3 files changed
tree: 24e12d6f18a8b30ec59b93ec32a739ace1a78aa4
  2. java/
  3. tests/