Add YouTube 15.09

Change-Id: I8985bd962e635577d6f21e9a936f317b12fe88d4
diff --git a/tools/run_on_app.py b/tools/run_on_app.py
index 9877888..b96ccf4 100755
--- a/tools/run_on_app.py
+++ b/tools/run_on_app.py
@@ -190,6 +190,7 @@
   # (app, version, type), e.g., ('gmail', '180826.15', 'deploy'),
   ('youtube', '13.37', 'deploy'), # b/120977564
   ('youtube', '15.08', 'deploy'), # b/150267318
+  ('youtube', '15.09', 'deploy'), # b/150267318
 ]
 
 def get_permutations():