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/runtimecolorfilter.cpp b/gm/runtimecolorfilter.cpp
index 0967c22..ebc6a20 100644
--- a/gm/runtimecolorfilter.cpp
+++ b/gm/runtimecolorfilter.cpp
@@ -5,14 +5,14 @@
  * found in the LICENSE file.
  */
 
-#include "gm.h"
-#include "sk_tool_utils.h"
-#include "SkCanvas.h"
-#include "SkImage.h"
 #include "Resources.h"
+#include "SkCanvas.h"
 #include "SkColorFilterPriv.h"
+#include "SkImage.h"
 #include "SkReadBuffer.h"
+#include "ToolUtils.h"
 #include "effects/GrSkSLFP.h"
+#include "gm.h"
 
 const char* SKSL_TEST_SRC = R"(
     in uniform float b;