message: Add a new "create_java_proto" arg to tf_proto_library.
  At the moment it does nothing, prepare for java protos.
diff: @@ -503,6 +503,7 @@ def tf_proto_library(
  j2objc_api_version = 1,
  js_codegen = "jspb",
  create_service = False,
  + create_java_proto = False,
  make_default_target_header_only = False,
  exports = []):
  """Make a proto library, possibly depending on other proto libraries."""
  @@ -510,7 +511,7 @@ def tf_proto_library(
  # TODO(b/145545130): Add docstring explaining what rules this creates and how
  # opensource projects importing TF in bazel can use them safely (i.e. w/o ODR or
  # ABI violations).
  - _ignore = (js_codegen, exports, create_service)
  + _ignore = (js_codegen, exports, create_service, create_java_proto)
  native.proto_library(
  name = name,
  