InputResampling: Don't extrapolate for very low frame rates.

In very low framerate situations, extrapolation is generally going to
either cause no benefit or make a mistake. We can safely turn it off
with no user-visible negative impact.

BUG=https://buganizer.corp.google.com/u/0/issues/24550942
TEST=Scrolled very slowly and saw mispredictions on Angler. With change,
saw the log message that the mispredictions were suppressed.

Change-Id: Ic9747d3ff098d7918047ada2ed1c2d21282c65b0