Move GrPathUtils, GrRect, and GrShape into src/gpu/geometry/

Change-Id: I864d3c2452f3affdc744bf8b11ed3b3e37d6d922
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216602
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/utils/SkShadowTessellator.cpp b/src/utils/SkShadowTessellator.cpp
index 6dc7a75..3e237b0 100644
--- a/src/utils/SkShadowTessellator.cpp
+++ b/src/utils/SkShadowTessellator.cpp
@@ -16,7 +16,7 @@
 #include "src/utils/SkShadowTessellator.h"
 
 #if SK_SUPPORT_GPU
-#include "src/gpu/GrPathUtils.h"
+#include "src/gpu/geometry/GrPathUtils.h"
 #endif