message: Make depth_space_ops visible to friends.
diff: @@ -22,6 +22,7 @@ package_group(
  "//learning/brain/research/sparse_matrix/...",
  "//learning/faster_training/...",
  "//tensorflow/...",
  + "//third_party/car/...",
  ],
  )
  @@ -3789,7 +3790,7 @@ tf_kernel_library(
  "spacetodepth_op.h",
  "spacetodepth_op_gpu.cu.cc",
  ],
  - visibility = ["//visibility:private"],
  + visibility = [":friends"],
  deps = [
  "//tensorflow/core:framework",
  "//tensorflow/core:lib",
  