Implement new QQS/QS headers

These new headers replace the old ones in all builds.

Missing:
* Improve animation of disappearing signal view
* Improve animation of moving header in devices with corner cutouts
* Design guidelines

Test: manual with and without overlay
Fixes: 182469533
Change-Id: Id31b11a2b50dd97e112caf6166574e44d4f7eda4