Don't always fallback to clockTick for EFFECT_TICK.

Some things really need to be tuned in order to not annoy users, and
should otherwise be turned off. Let an effect state whether it should
fallback to a generic effect or should just be silent if there's no
hardware specific version of it.

Fixes: 65219268
Test: manual
Change-Id: I38fcbd6d80803cdf8f4ec04e8e1ac363b8d6361b