media-db: Make SearchExpression translation public
media-db: Make SearchExpression translation public

jku/rygel,jku/rygel,Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel,GNOME/rygel,Tarnyko/rygel,Pelagicore/Media-Manager-Rygel-patched,luisbg/rygel,GNOME/rygel,Tarnyko/rygel