bp2build support for python_test(_host)

There was a request for using b with python tests. bp2build python
tests exactly the same way as python binaries so that they can be
used with `b`.

Bug: None
Test: go test
Change-Id: Id68a6a73572745a4885b3e5bb1b8452e36baa982
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index 598ca32..b6635c4 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -76,6 +76,7 @@
         "prebuilt_etc_conversion_test.go",
         "python_binary_conversion_test.go",
         "python_library_conversion_test.go",
+        "python_test_conversion_test.go",
         "sh_conversion_test.go",
         "soong_config_module_type_conversion_test.go",
     ],