update_engine: Run clang-format on ./ (root directory)

BUG=none
TEST=unittest

Change-Id: Ibd075dc7ea9a18e798f612e35725f1c83c112809
Reviewed-on: https://chromium-review.googlesource.com/1409708
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
diff --git a/omaha_response_handler_action.h b/omaha_response_handler_action.h
index 344fc1d..d2e6db8 100644
--- a/omaha_response_handler_action.h
+++ b/omaha_response_handler_action.h
@@ -33,7 +33,7 @@
 
 class OmahaResponseHandlerAction;
 
-template<>
+template <>
 class ActionTraits<OmahaResponseHandlerAction> {
  public:
   typedef OmahaResponse InputObjectType;