Add par_test

This test adds a number of checks for the visible python state inside a
hermetic par file.

Test: build/soong/python/tests/runtests.sh
Change-Id: I7188d862a309a09623169e1f967bde86707d41af

python/tests/Android.bp

@@ -0,0 +1,32 @@
+// Copyright 2019 Google Inc. All rights reserved.
+//
+// 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.
+
+python_test_host {
+    name: "par_test",
+    main: "par_test.py",
+    srcs: [
+        "par_test.py",
+        "testpkg/par_test.py",
+    ],
+
+    version: {
+        py2: {
+            enabled: true,
+            embedded_launcher: true,
+        },
+        py3: {
+            enabled: false,
+        },
+    },
+}