Revert "Don't override activity display adjustments with app config"

Revert "Verify reported display sizes in multi-window"

Revert submission 10636794-app_config_updates_adjustments-rvc-dev

Reason for revert: See b/151903752#comment29.  This CL was identified (via bisection) as the CL that is breaking Android Auto.
Reverted Changes:
Ib3ee007bc:Don't override activity display adjustments with a...
I5ba4dd354:Verify reported display sizes in multi-window

Bug: 151903752

Change-Id: I845ed4871637d6d8a5fac1a6a5236378829b837e