3/N Remove DevProvCtrl & UserTracker from QSFooter

Remove DeviceProvisionedConroller and UserTracker from QSFooterImpl. This also adds
QSFooterImplControllerTest, and fixes one of the tests that was marked as failing.

Bug: 168904199
Test: manual
Change-Id: I0e04bef8df76c6b73c8844f4679cfef08b3b2c13
8 files changed