Increase timeout for internal testing

Change-Id: Ia61322dd0f9997a09f0122c813c542b22dd4237c
diff --git a/tools/internal_test.py b/tools/internal_test.py
index d34f74b..f5956e8 100755
--- a/tools/internal_test.py
+++ b/tools/internal_test.py
@@ -60,7 +60,7 @@
 ]
 
 # Command timeout, in seconds.
-RUN_TIMEOUT = 7200
+RUN_TIMEOUT = 3600 * 3
 BOT_RUN_TIMEOUT = RUN_TIMEOUT * len(TEST_COMMANDS)
 
 def log(str):