Increase timeout for running internal tests

We now run on more apps, and we take longer (bot machine is slow compared to our work machines)

Change-Id: I80a2f2eecd69cd5df16a7cd46833b50493f9e586
diff --git a/tools/internal_test.py b/tools/internal_test.py
index c034021..47f5a97 100755
--- a/tools/internal_test.py
+++ b/tools/internal_test.py
@@ -60,9 +60,8 @@
 ]
 
 # Command timeout, in seconds.
-RUN_TIMEOUT = 3600
-# Add some extra time for the bot, since the tester might not start immediately.
-BOT_RUN_TIMEOUT = 4000 * len(TEST_COMMANDS)
+RUN_TIMEOUT = 7200
+BOT_RUN_TIMEOUT = RUN_TIMEOUT * len(TEST_COMMANDS)
 
 def log(str):
   print("%s: %s" % (time.strftime("%c"), str))