Fix build: use proper gcc attribute syntax
Fix build: use proper gcc attribute syntax

Change-Id: I4c5d962bcac389d86eadb4bccc838a017bda4062

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