message: Make --config=v1 default for TF v1.x
diff: @@ -289,7 +289,7 @@ def build_tensorflow_cc(src_dir, artifacts_dir, target_arch, verbosity):
  "bazel",
  "build",
  "--config=opt",
  - "--config=v2",
  + "--config=v1",
  "--config=noaws",
  "--config=nohdfs",
  "--config=noignite",
  