Bug 983777 - [B2G][Contacts] Tapping the Favorite button on an imported facebook contact will break the Edit Contact button
(cherry picked from commit 32078fe945de8001765526fa7e8e1283d3c09669)

Conflicts:
	apps/communications/contacts/test/unit/contacts_test.js
	apps/communications/contacts/test/unit/mock_navigation.js