chore: import upstream snapshot with attribution

third_party/coremltools/BUILD.bazel

@@ -0,0 +1 @@
+# copybara:uncomment package(default_applicable_licenses = ["//tensorflow:license"])

third_party/coremltools/coremltools.BUILD

@@ -0,0 +1,17 @@
+load("@com_google_protobuf//bazel:cc_proto_library.bzl", "cc_proto_library")
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # BSD
+
+exports_files(["LICENSE.txt"])
+
+proto_library(
+    name = "mlmodel_proto",
+    srcs = glob(["mlmodel/format/*.proto"]),
+)
+
+cc_proto_library(
+    name = "mlmodel_cc_proto",
+    deps = [":mlmodel_proto"],
+)

third_party/coremltools/workspace.bzl

@@ -0,0 +1,12 @@
+"""Loads the coremltools library, used by TF."""
+
+load("//third_party:repo.bzl", "tf_http_archive", "tf_mirror_urls")
+
+def repo():
+    tf_http_archive(
+        name = "coremltools",
+        sha256 = "37d4d141718c70102f763363a8b018191882a179f4ce5291168d066a84d01c9d",
+        strip_prefix = "coremltools-8.0",
+        build_file = "//third_party/coremltools:coremltools.BUILD",
+        urls = tf_mirror_urls("https://github.com/apple/coremltools/archive/8.0.tar.gz"),
+    )