message: Update dependency on rules_closure
  This makes this command succeed:
  bazel build //tensorflow/tools/pip_package:build_pip_package --incompatible_disallow_data_transition
  This is needed for a future change in Bazel.
diff: @@ -4,11 +4,11 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive", "http_file"
  http_archive(
  name = "io_bazel_rules_closure",
  - sha256 = "a38539c5b5c358548e75b44141b4ab637bba7c4dc02b46b1f62a96d6433f56ae",
  - strip_prefix = "rules_closure-dbb96841cc0a5fb2664c37822803b06dab20c7d1",
  + sha256 = "43c9b882fa921923bcba764453f4058d102bece35a37c9f6383c713004aacff1",
  + strip_prefix = "rules_closure-9889e2348259a5aad7e805547c1a0cf311cfcd91",
  urls = [
  - "https://mirror.bazel.build/github.com/bazelbuild/rules_closure/archive/dbb96841cc0a5fb2664c37822803b06dab20c7d1.tar.gz",
  - "https://github.com/bazelbuild/rules_closure/archive/dbb96841cc0a5fb2664c37822803b06dab20c7d1.tar.gz", # 2018-04-13
  + "https://mirror.bazel.build/github.com/bazelbuild/rules_closure/archive/9889e2348259a5aad7e805547c1a0cf311cfcd91.tar.gz",
  + "https://github.com/bazelbuild/rules_closure/archive/9889e2348259a5aad7e805547c1a0cf311cfcd91.tar.gz", # 2018-12-21
  ],
  )
  