Refactor the motion field projection process
Refactor the motion field projection process

Make the motion field projection process independent of the
reference frame type syntax.

Change-Id: Ie5d024d76ddb990fe623c83b3f4b4b6fadc72d2c

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom