Merge changes from topic "b168904199-qs-injection"

* changes:
  5/N Rename QSFooterImpl to QSFooterView
  4/N Remove ActivityStarter from QSFooterImpl.
  3/N Remove DevProvCtrl & UserTracker from QSFooter
  2/N Move UserInfoController out of QSFooterImpl
  1/N Add Controller for QSFooter