Switch the remaining third_party gsutil references to gsutil.py

BUG=
[email protected]

Review URL: https://codereview.chromium.org/809203003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@293481 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/gclient_scm.py b/gclient_scm.py
index e42f671..69dec50 100644
--- a/gclient_scm.py
+++ b/gclient_scm.py
@@ -27,8 +27,7 @@
 THIS_FILE_PATH = os.path.abspath(__file__)
 
 GSUTIL_DEFAULT_PATH = os.path.join(
-    os.path.dirname(os.path.abspath(__file__)),
-    'third_party', 'gsutil', 'gsutil')
+    os.path.dirname(os.path.abspath(__file__)), 'gsutil.py')
 
 CHROMIUM_SRC_URL = 'https://chromium.googlesource.com/chromium/src.git'
 class DiffFiltererWrapper(object):