[cleanup] Move get_feature_score to a proper place
[cleanup] Move get_feature_score to a proper place

Add static decorator to it as well.

Change-Id: I6c89fae456561b6975ab49af139a45a7483507c6

ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx