Do not remove dream complications from layout post destroy.

This change foregoes removing complications from the dream overlay
after destroy as transitions might still reference the view's parent.

Fixes: 415897902
Test: atest ComplicationLayoutEngineTest#testNoViewGroupRemovalPostDestroy
Flag: EXEMPT bugfix
Change-Id: I68da135f4b12909df9c212e9a53cad1b478ceb1b