This doesn't really do anything, because libpurple without a backend doesn't do
any further signalling. But at least we'll get a contact with the option to
start a media session.
Testing Done:
Compiled and pressed the Audio/Video Call menu item.
Reviewed at https://reviews.imfreedom.org/r/1580/
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.
#
# Translators:
# abuyop <abuyop@gmail.com>, 2015-2017
# Muhammad Najmi bin Ahmad Zabidi <najmi.zabidi@gmail.com>, 2011