Only compare the relevant insets for navbar position

This reverts a regression introduced in http://ag/21397084, where the
insets were all rewritten to outInsets, even though the insetsState
for them when rotating screen is still in previous orientation.

Bug: 281769053
Bug: 234093736
Test: http://recall/-/ekEuGtt9d9HWqkUtAzpHx8/eNX1aOBLtPs7PUR5LUuYfi
Change-Id: I508123660c33e63696af39c2735a1dc92fdaf74f