gralloc4: Add camera write support for RGB_888 am: 69d6c42872 am: b0be346e94 am: 16ce77a289

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/google/gchips/+/22957326

Change-Id: I091dde6bfe619078c31f0c0160d63fb7d4c9cd45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>