Add vecore as an owner to //chromeos/components/sync_wifi

Bug: 966270
Change-Id: If95c97606cfe0fde5d61ea1d3e2a441a9dd311dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2165677Reviewed-by: James Vecore <vecore@google.com>
Commit-Queue: Jon Mann <jonmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#763564}

chromeos/components/sync_wifi/OWNERS

 jonmann@chromium.org
 khorimoto@chromium.org
+vecore@google.org
 
 # COMPONENT: OS>Systems>Network>WiFi