test,tools: whitespace changes for clang-format

Change-Id: I67529f6c0ac26da603f60af22c620f8f603d8a19
Reviewed-on: https://skia-review.googlesource.com/155564
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
diff --git a/tools/viewer/Viewer.cpp b/tools/viewer/Viewer.cpp
index 3658185..7cd03fe 100644
--- a/tools/viewer/Viewer.cpp
+++ b/tools/viewer/Viewer.cpp
@@ -35,15 +35,15 @@
 #include "SkTaskGroup.h"
 #include "SkTestFontMgr.h"
 #include "SkTo.h"
+#include "SlideDir.h"
 #include "SvgSlide.h"
 #include "Viewer.h"
 #include "ccpr/GrCoverageCountingPathRenderer.h"
-#include "imgui.h"
 
 #include <stdlib.h>
 #include <map>
 
-#include "SlideDir.h"
+#include "imgui.h"
 
 #if defined(SK_ENABLE_SKOTTIE)
     #include "SkottieSlide.h"