Revert "No NavigationBar layer in tablets"

This reverts commit fb999dc720f15f0eddf729d0ce197647913f6c9b.

Reason for revert: breaking TaplTestsLauncher3.testDevicePressMenu and testPressHomeOnAllAppsContextMenu for all foldable targetse

Bug: 191660313
Change-Id: I04c9e28c92ed0cf9e822ecf4409edfc8f37c36c4
1 file changed