Revert "SystemUI: Rework SearchPanelView calculations"

Needed to fix weird navring behaviour on tablets

This reverts commit 9f80108d0dd94a7ac6f88991180f3119d5ffa55b.

Change-Id: I863585d8efa6fc86223a441c5dc2d15ec6907f62
Merge "Revert "SystemUI: Rework SearchPanelView calculations"" into du44