chore: import upstream snapshot with attribution

tensorflow/python/distribute/parallel_device/BUILD

@@ -0,0 +1,76 @@
+load("@xla//third_party/rules_python/python:py_library.bzl", "py_library")
+load("//tensorflow/core/platform:distribute.bzl", "distribute_py_strict_test")
+
+package(
+    # copybara:uncomment default_applicable_licenses = ["//tensorflow:license"],
+    licenses = ["notice"],
+)
+
+# Pybind rules must live in tensorflow/python due to header rule visibility.
+exports_files(
+    ["pywrap_parallel_device.cc"],
+    visibility = ["//tensorflow/python:__pkg__"],
+)
+
+py_library(
+    name = "parallel_device",
+    srcs = ["parallel_device.py"],
+    strict_deps = True,
+    visibility = [
+        "//tensorflow:internal",
+        "//third_party/py/tensorflow_numerics/extensions:__pkg__",
+    ],
+    deps = [
+        "//tensorflow/python:_pywrap_parallel_device",
+        "//tensorflow/python/distribute:device_util",
+        "//tensorflow/python/eager:context",
+        "//tensorflow/python/framework:composite_tensor",
+        "//tensorflow/python/framework:constant_op",
+        "//tensorflow/python/framework:ops",
+        "//tensorflow/python/framework:tensor",
+        "//tensorflow/python/ops:array_ops",
+        "//tensorflow/python/ops:variables",
+        "//tensorflow/python/tpu/ops",
+        "//tensorflow/python/util:nest",
+        "//tensorflow/python/util:variable_utils",
+    ],
+)
+
+distribute_py_strict_test(
+    name = "parallel_device_test",
+    srcs = ["parallel_device_test.py"],
+    # We don't only use TPU Runtime on parallel device, we use c_api_tfrt instead.
+    disable_tpu_use_tfrt = True,
+    tags = [
+        # Dependencies aren't otherwise included in the pip package yet.
+        "no_pip",
+        "notpu",  # TODO(b/210159281)
+    ],
+    deps = [
+        ":parallel_device",
+        "//tensorflow/python/checkpoint",
+        "//tensorflow/python/checkpoint:checkpoint_management",
+        "//tensorflow/python/data/ops:dataset_ops",
+        "//tensorflow/python/distribute/cluster_resolver:tpu_cluster_resolver_py",
+        "//tensorflow/python/eager:backprop",
+        "//tensorflow/python/eager:context",
+        "//tensorflow/python/eager:def_function",
+        "//tensorflow/python/framework:config",
+        "//tensorflow/python/framework:constant_op",
+        "//tensorflow/python/framework:errors",
+        "//tensorflow/python/framework:ops",
+        "//tensorflow/python/module",
+        "//tensorflow/python/ops:array_ops",
+        "//tensorflow/python/ops:array_ops_stack",
+        "//tensorflow/python/ops:collective_ops",
+        "//tensorflow/python/ops:control_flow_switch_case",
+        "//tensorflow/python/ops:math_ops",
+        "//tensorflow/python/ops:stateful_random_ops",
+        "//tensorflow/python/ops:variables",
+        "//tensorflow/python/platform:client_testlib",
+        "//tensorflow/python/saved_model:load",
+        "//tensorflow/python/saved_model:save",
+        "//tensorflow/python/util:nest",
+        "@absl_py//absl/testing:parameterized",
+    ],
+)