Merge pull request #15950 from gtorodelvalle/contacts-967540-invalid-dates-in-gmail

Bug 967540 - [Contacts] Exporting to SD card contacts imported from Gmail with invalid dates never ends
(cherry picked from commit 95cea779da64742c1f46da1a628c8c7a21604d8e)

Conflicts:
	build/jshint/xfail.list