clang-format: enable sorting includes

Include files are now grouped and sorted in following order:
1. Header file of the class the current file implements
2. Project files
3. Third party files
4. Standard library

Change-Id: If31af05652184169f7fee1d7ad08f1b2ed602cf0
Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>

unit_tests/os_interface/debug_settings_manager_tests.cpp

@@ -17,10 +17,10 @@
 #include "unit_tests/os_interface/debug_settings_manager_fixture.h"
 #include "unit_tests/utilities/base_object_utils.h"
 
-#include <memory>
-#include <string>
-#include <sstream>
 #include <cstdio>
+#include <memory>
+#include <sstream>
+#include <string>
 
 TEST(DebugSettingsManager, WithDebugFunctionality) {
     FullyEnabledTestDebugManager debugManager;