message: Simplify debug ops op_lib BUILD rule
  by using tf_gen_op_libs
diff: @@ -558,17 +558,9 @@ tf_gen_op_libs(
  deps = [":lib"],
  )
  -cc_library(
  - name = "debug_ops_op_lib",
  - srcs = ["ops/debug_ops.cc"],
  - copts = tf_copts(),
  - linkstatic = 1,
  - visibility = ["//tensorflow:internal"],
  - deps = [
  - ":framework",
  - "//tensorflow/core/kernels:debug_ops",
  - ],
  - alwayslink = 1,
  +tf_gen_op_libs(
  + op_lib_names = ["debug_ops"],
  + deps = ["//tensorflow/core/kernels:debug_ops"],
  )
  # And one for all user ops
  