Apply the selection state that reflects the current task stack upon restarting the Navigation Bar.

Previously, while restarting the Navigation Bar, we omitted the step where we
apply the selection state that reflects the current task stack.

This omission caused CarFacetButtons to lose their selection state on
certain events.

Bug: 148211695
Test: Unit Test
Change-Id: Icfa845b87ca7456d3765602b3daacd589a94f309