Revert of ts_mon: remove dependency on apiclient.

appengine_module/gae_ts_mon/__init__.py

Index: appengine_module/gae_ts_mon/__init__.py
diff --git a/appengine_module/gae_ts_mon/__init__.py b/appengine_module/gae_ts_mon/__init__.py
index 5e9a0ce3e49b8cd3ad5e3fbb634c9cdfb7ce31a9..8ef967727cd447f2bb15e6e21217fb8da74ff06b 100644
--- a/appengine_module/gae_ts_mon/__init__.py
+++ b/appengine_module/gae_ts_mon/__init__.py
@@ -6,6 +6,9 @@
 import imp
 import os
 import sys
+
+# Adds itself to sys.path so the packages inside work.
+from . import third_party
 
 # Add the gae_ts_mon/protobuf directory into the path for the google package, so
 # "import google.protobuf" works.