SF: Fully disable content detection if opted out

Layer history was created but not recorded/traversed on devices without
refresh rate switching. ag/9549429 destroys stale history on traversal,
so the LayerInfo records were leaked.

Bug: 144363590
Test: Layer history is not created on crosshatch
Change-Id: I45ebc7c4f8447b2bc2bfb1af01325d562b4afed1