Fix typo in owner email

Changes .com to .org

Change-Id: I12e6035b4f71109a668048a49bf5882ed87456a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1738846
Auto-Submit: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Commit-Queue: Robbie Gibson <rkgibson@google.com>
Reviewed-by: Robbie Gibson <rkgibson@google.com>
Cr-Commit-Position: refs/heads/master@{#684272}

ios/chrome/common/colors/OWNERS

-javierrobles@chromium.com
+javierrobles@chromium.org
 rkgibson@google.com
 
 # TEAM: ios-directory-owners@chromium.org