Sort #includes that got unsorted when gmock.h and gtest.h moved to webrtc/test/

webrtc/modules/utility/source/audio_frame_operations_unittest.cc

Index: webrtc/modules/utility/source/audio_frame_operations_unittest.cc
diff --git a/webrtc/modules/utility/source/audio_frame_operations_unittest.cc b/webrtc/modules/utility/source/audio_frame_operations_unittest.cc
index 67ee7987bf7d68218235139ad8d0c22fee9f007c..5842b90c0a28a490e9ad7f8c2dfedade9719de56 100644
--- a/webrtc/modules/utility/source/audio_frame_operations_unittest.cc
+++ b/webrtc/modules/utility/source/audio_frame_operations_unittest.cc
@@ -8,11 +8,10 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/test/gtest.h"
-
+#include "webrtc/base/checks.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/modules/utility/include/audio_frame_operations.h"
-#include "webrtc/base/checks.h"
+#include "webrtc/test/gtest.h"
 
 namespace webrtc {
 namespace {