InCallUI: fix smartcover always showing  answer fragment

It seems the deleted lines were causing the issue as InCallUI properly handles logic for
showing and hiding the fragment itself.

Change-Id: I1d45b49ae48931adf48faa555296a467373e9247
Signed-off-by: Roman Birg <roman@cyngn.com>
Automatic translation import

Change-Id: I432ddb2432d156a11210cd40e5e32eb7d962b150
InCallUI: Improve some strings

Change-Id: I9b90d507fafd0efeb64415878fb1f2fd291f01d4
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0