Add an 'AMBER_COMMAND_EXPECT_BLACK' constant to gfauto. (#789)
Add an 'AMBER_COMMAND_EXPECT_BLACK' constant to gfauto. (#789)


google/graphicsfuzz,google/graphicsfuzz,google/graphicsfuzz,google/graphicsfuzz,google/graphicsfuzz,google/graphicsfuzz,google/graphicsfuzz