92     struct ExtraData {  struct in android::__anon854d5f3c0311::C2HandleGralloc
93         uint32_t width;
94         uint32_t height;
95         uint32_t format;
96         uint32_t usage_lo;
97         uint32_t usage_hi;
98         uint32_t stride;
99         uint32_t generation;
100         uint32_t igbp_id_lo;
101         uint32_t igbp_id_hi;
102         uint32_t igbp_slot;
103         uint32_t magic;