sk_tool_utils -> ToolUtils, and git clang-format

sk_tool_utils doesn't really fit the naming convention
the rest of code under tools/ tends to use.

Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313
Auto-Submit: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/bench/ClipMaskBench.cpp b/bench/ClipMaskBench.cpp
index b3b98f2..a6e4994 100644
--- a/bench/ClipMaskBench.cpp
+++ b/bench/ClipMaskBench.cpp
@@ -6,16 +6,16 @@
  */
 
 #include "Benchmark.h"
-#include "sk_tool_utils.h"
 #include "SkCanvas.h"
 #include "SkColorSpace.h"
 #include "SkImage.h"
 #include "SkPictureRecorder.h"
 #include "SkString.h"
 #include "SkSurface.h"
+#include "ToolUtils.h"
 
 static void DrawMask(SkCanvas* canvas) {
-    sk_tool_utils::draw_checkerboard(canvas, SK_ColorTRANSPARENT, SK_ColorGREEN, 10);
+    ToolUtils::draw_checkerboard(canvas, SK_ColorTRANSPARENT, SK_ColorGREEN, 10);
 }
 
 class ClipMaskBench : public Benchmark {