Reorganize Python packages

This is in preparation of moving all tests into a separate package to
enable ease of coverage checking and testing.
diff --git a/src/python/grpcio_test/setup.py b/src/python/grpcio_test/setup.py
new file mode 100644
index 0000000..dbea0f7
--- /dev/null
+++ b/src/python/grpcio_test/setup.py
@@ -0,0 +1,55 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""A setup module for the GRPC Python interop testing package."""
+
+import setuptools
+
+_PACKAGES = setuptools.find_packages('.')
+
+_PACKAGE_DIRECTORIES = {
+    '': '.',
+}
+
+_PACKAGE_DATA = {
+    'grpc_interop': [
+        'credentials/ca.pem', 'credentials/server1.key',
+        'credentials/server1.pem',]
+}
+
+_INSTALL_REQUIRES = ['oauth2client>=1.4.7', 'grpcio>=0.10.0a0']
+
+setuptools.setup(
+    name='grpcio_test',
+    version='0.0.1',
+    packages=_PACKAGES,
+    package_dir=_PACKAGE_DIRECTORIES,
+    package_data=_PACKAGE_DATA,
+    install_requires=_INSTALL_REQUIRES
+)