Bug 873498 - [MMS] [UX] Compose. Contacts suggestion should not show the contact's photo r=julienw

- Adds a new third arg to Utils.getContactDetails to allow for inclusion of optional fields.
- Tests for thirst arg's "photoURL" option.

https://bugzilla.mozilla.org/show_bug.cgi?id=873498
Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
(cherry picked from commit c7f5c27137cc36f51c9da194292e1e5055675017)
Bug 873498 - Fix tests due to bad rebasing r=schung
(cherry picked from commit 9885fc228d8b1f4cac9151d3d3afb37298b2c3cb)