Revert "to revert: run on kokoro"

This reverts commit 936ab4da4f.

tools/internal_ci/linux/grpc_python_bazel_test.cfg

@@ -1,4 +1,4 @@
-# Copyright 2020 gRPC authors.
+# Copyright 2018 gRPC authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,15 +15,9 @@
 # Config file for the internal CI (in protobuf text format)
 
 # Location of the continuous shell script in repository.
-build_file: "grpc/tools/internal_ci/linux/grpc_xds.sh"
-timeout_mins: 90
+build_file: "grpc/tools/internal_ci/linux/grpc_bazel.sh"
+timeout_mins: 240
 env_vars {
   key: "BAZEL_SCRIPT"
-  value: "tools/internal_ci/linux/grpc_xds_bazel_test_in_docker.sh"
-}
-action {
-  define_artifacts {
-    regex: "**/*sponge_log.*"
-    regex: "github/grpc/reports/**"
-  }
+  value: "tools/internal_ci/linux/grpc_python_bazel_test_in_docker.sh"
 }