Fix include order for cpplint (#192)

* Fix include order for cpplint

Relates to ament/ament_lint#324

Signed-off-by: Jacob Perron <[email protected]>

* Use double-quotes for backwards compatibility

Signed-off-by: Jacob Perron <[email protected]>

Author: jacobperron

test/unique_ptr_test.cpp

@@ -28,11 +28,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <class_loader/class_loader.hpp>
-#include <class_loader/multi_library_class_loader.hpp>
-
-#include <gtest/gtest.h>
-
 #include <chrono>
 #include <cstddef>
 #include <functional>
@@ -41,7 +36,12 @@
 #include <thread>
 #include <vector>
 
-#include "./base.hpp"
+#include "gtest/gtest.h"
+
+#include "class_loader/class_loader.hpp"
+#include "class_loader/multi_library_class_loader.hpp"
+
+#include "base.hpp"
 
 const std::string LIBRARY_1 = class_loader::systemLibraryFormat("class_loader_TestPlugins1");  // NOLINT
 const std::string LIBRARY_2 = class_loader::systemLibraryFormat("class_loader_TestPlugins2");  // NOLINT