Expose image format to the analyzer
Expose image format to the analyzer

Change-Id: I39c014ec58c08e29f60c8e4ea186fc57ac15c56b

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