Update Gaia API documents for #fcf1c2fe020c29da4755621cbffdc1a333a43be9
    Merge pull request #13955 from fcampo/exported-label-translate-929552

Bug 936889 - Followup for bug 929552 - Sync string for exported contacts (r=pike)(cherry picked from commit 10e5cd63155a41927b9fa3b5a2bd0726ed85f1ab)

Conflicts:
	apps/communications/contacts/locales/contacts.en-US.properties