VP9: Allow for bilinear subpel interp at speed 9 for high motion.

VP9: Allow for bilinear subpel interp at speed 9 for high motion.

Fixed some settings in nonrd pick mode to allow for frame-level bilinear
to be set.
On Galaxy S8+ it has 4% speed up on high motion clips. Almost the same
for low motion.

0.17% quality loss on RTC.

Change-Id: I044a7de020183754ba08bb6c96c5a78ba5c7fea2