sync.profile: introduce dependency on qtjsbackend
sync.profile: introduce dependency on qtjsbackend

sync.profile needs to enumerate indirect dependencies too.
qtdeclarative now depends on qtjsbackend; update sync.profile
accordingly.

Change-Id: I73f74f20d205a6f446bf89f75ef14aeb790b06ef
Sanity-Review: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: Simon Hausmann <a975102812d593b3191088e3d0aeaeb6f11dbcf5@nokia.com>

richardmg/qtsensors,kobolabs/qtsensors,richardmg/qtsensors,kobolabs/qtsensors,mer-qt/qtsensors,mer-qt/qtsensors,richardmg/qtsensors,richardmg/qtsensors,kobolabs/qtsensors,mer-qt/qtsensors,richardmg/qtsensors,mer-qt/qtsensors,kobolabs/qtsensors,mer-qt/qtsensors