Add tool to create test images with interesting color profiles

Bug: skia:
Change-Id: Ia4f892368fceda4a99490f5bd29851837a7a6927
Reviewed-on: https://skia-review.googlesource.com/17212
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index d301924..19691ed 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1290,6 +1290,16 @@
     ]
   }
 
+  test_app("create_flutter_test_images") {
+    sources = [
+      "tools/create_flutter_test_images.cpp",
+    ]
+    deps = [
+      ":skia",
+      ":tool_utils",
+    ]
+  }
+
   test_app("get_images_from_skps") {
     sources = [
       "tools/get_images_from_skps.cpp",