add color wheel to validate decoding colors

BUG=skia:3061
R=mtklein@google.com

Review URL: https://codereview.chromium.org/681433002
diff --git a/resources/color_wheel.gif b/resources/color_wheel.gif
new file mode 100644
index 0000000..ce3b12b
--- /dev/null
+++ b/resources/color_wheel.gif
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diff --git a/resources/color_wheel.jpg b/resources/color_wheel.jpg
new file mode 100644
index 0000000..328fb73
--- /dev/null
+++ b/resources/color_wheel.jpg
Binary files differ
diff --git a/resources/color_wheel.png b/resources/color_wheel.png
new file mode 100644
index 0000000..392bfcc
--- /dev/null
+++ b/resources/color_wheel.png
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diff --git a/resources/color_wheel.webp b/resources/color_wheel.webp
new file mode 100644
index 0000000..a9610e9
--- /dev/null
+++ b/resources/color_wheel.webp
Binary files differ