BITSTREAM - RESTORING BILINEAR INTERPOLATION FILTER SUPPORT

Adding appropriate test vector vp90-2-06-bilinear.webm.

(cherry picked from commit 68a3e4a8887688c3ebef56ed65d9cf31529d4191)

Change-Id: I10feb6ad2fcb1c2e14e51f550d1a8869aeaf6488
5 files changed