update .clang-format header inclusion order

Added the header inclusion order to the .clang-format file generated
these changes.

Change-Id: Ia31b21d7ea451cac0309828006bc17c27cbd5bd5
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/test/bus/match.cpp b/test/bus/match.cpp
index 80bc259..3a5cc49 100644
--- a/test/bus/match.cpp
+++ b/test/bus/match.cpp
@@ -1,7 +1,8 @@
-#include <gtest/gtest.h>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/bus/match.hpp>
 
+#include <gtest/gtest.h>
+
 class Match : public ::testing::Test
 {
   protected: