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

webrtc/test/configurable_frame_size_encoder.cc

Index: webrtc/test/configurable_frame_size_encoder.cc
diff --git a/webrtc/test/configurable_frame_size_encoder.cc b/webrtc/test/configurable_frame_size_encoder.cc
index 1453418c1122c4a00ff6414178c89ea54c456bf2..9cb0c871ae605c8d8aeda4e8ea8396315d76996d 100644
--- a/webrtc/test/configurable_frame_size_encoder.cc
+++ b/webrtc/test/configurable_frame_size_encoder.cc
@@ -12,10 +12,9 @@
 
 #include <string.h>
 
-#include "webrtc/test/gtest.h"
-
 #include "webrtc/common_video/include/video_image.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
+#include "webrtc/test/gtest.h"
 
 namespace webrtc {
 namespace test {