Merge "Revert "virtio gpu can manage the colorbuffer. Don't need RefCountPipe"" am: 8cc9e9c6a2

Original change: https://android-review.googlesource.com/c/device/generic/goldfish/+/2144032

Change-Id: I28c07c5c41e4e8bdf11cad3860323d53e30e2da0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>