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/pidcontroller.hpp b/pid/pidcontroller.hpp
index 0b491e7..fd41c09 100644
--- a/pid/pidcontroller.hpp
+++ b/pid/pidcontroller.hpp
@@ -19,12 +19,10 @@
   public:
     PIDController(const std::string& id, ZoneInterface* owner) :
         Controller(), _owner(owner), _setpoint(0), _id(id)
-    {
-    }
+    {}
 
     virtual ~PIDController()
-    {
-    }
+    {}
 
     virtual double inputProc(void) override = 0;
     virtual double setptProc(void) = 0;