Add build files for typing_extensions

Test: presubmit
Bug: 234458076
Change-Id: I310b83b9d87fe151a1fd37c1f175518b8c6484d5
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..e91fcf1
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,29 @@
+//
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["external_python_typing_license"],
+}
+
+license {
+    name: "external_python_typing_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-MIT",
+    ],
+    license_text: [
+        "LICENSE",
+    ],
+}