Fix the DecorView insets logic

- Currently the logic considered all the insets on right, bottom and
  left when the navigationBar is consumed.
- The CL fixes the logic to only consider the insets of types that are
  consumed in all the 4 directions respectively.

Flag: EXEMPT (Bug fix)
Bug: 368408934
Test: atest DecorViewTests
Change-Id: I62cadde0e095b5d592100999d1dd94ef668dae79