Only show view when all data is loaded

Avoid jankyness by waiting for all async data to be loaded before
showing the QS view. We were already waiting for permission data to load
now we are also waiting for sensor data to load.

Relnote: N/A
Bug: 263364047
Test: manual
Change-Id: I808c13a6e1a4230ce0d1246c822d18a27aed214d