canvas: Adding self to OWNERS for canvas resources/images code.

R=fserb@chromium.org

Change-Id: I82fb78805c3cb7f71329a245594d30c0c7503041
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1797124
Auto-Submit: Khushal <khushalsagar@chromium.org>
Commit-Queue: Fernando Serboncini <fserb@chromium.org>
Reviewed-by: Fernando Serboncini <fserb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695650}

third_party/blink/renderer/platform/graphics/OWNERS

@@ -17,6 +17,9 @@ samans@chromium.org
 # lowLatency canvas
 mcasas@chromium.org
 
+# canvas resources and images
+khushalsagar@chromium.org
+
 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>Paint