Make run_on_app_dump.py run with python3

Change-Id: I054acf4f25658c66ad4156217009fc48c678374e
diff --git a/tools/jdk.py b/tools/jdk.py
index bc40873..7138fda 100755
--- a/tools/jdk.py
+++ b/tools/jdk.py
@@ -40,7 +40,7 @@
   return os.path.join(jdkHome, 'bin', executable) if jdkHome else executable
 
 def Main():
-  print GetJdkHome()
+  print(GetJdkHome())
 
 if __name__ == '__main__':
   sys.exit(Main())