Add a missing #if flag for lpf-sb
Add a missing #if flag for lpf-sb

Change-Id: Ifa58c1dcc5312ca82f15d4dcd11e49960abd3535

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