Update module version to 5.2.0
Update module version to 5.2.0

Change-Id: Ibff36fc348efc7e3282de10a0c73bc68a2b7d4b5
Reviewed-by: Sergio Ahumada <27ca633ce817d1c3858ceeac3c99febb78411853@digia.com>

mer-qt/qtmultimedia,mer-qt/qtmultimedia,mer-qt/qtmultimedia,mer-qt/qtmultimedia,mer-qt/qtmultimedia