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/gm/copyTo4444.cpp b/gm/copyTo4444.cpp
index 194a30a..0f4a276 100644
--- a/gm/copyTo4444.cpp
+++ b/gm/copyTo4444.cpp
@@ -5,8 +5,8 @@
  * found in the LICENSE file.
  */
 
+#include "ToolUtils.h"
 #include "gm.h"
-#include "sk_tool_utils.h"
 
 #include "Resources.h"
 #include "SkCanvas.h"
@@ -39,7 +39,7 @@
         canvas->drawBitmap(bm, 0, 0);
 
         // This should dither or we will see artifacts in the background of the image.
-        SkAssertResult(sk_tool_utils::copy_to(&bm4444, kARGB_4444_SkColorType, bm));
+        SkAssertResult(ToolUtils::copy_to(&bm4444, kARGB_4444_SkColorType, bm));
         canvas->drawBitmap(bm4444, SkIntToScalar(bm.width()), 0);
         return DrawResult::kOk;
     }