update clang-format from Latest in docs

Updates the clang-format file and then applies it.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ia9faf13ce171f90bf07547efd781139bee23e8c7
diff --git a/pid/stepwisecontroller.hpp b/pid/stepwisecontroller.hpp
index 4aa8116..90e2317 100644
--- a/pid/stepwisecontroller.hpp
+++ b/pid/stepwisecontroller.hpp
@@ -23,8 +23,7 @@
                        ZoneInterface* owner) :
         Controller(),
         _owner(owner), _id(id), _inputs(inputs)
-    {
-    }
+    {}
 
     double inputProc(void) override;