CrOS: memory: add vovoy@ as OWNER

Change-Id: I101d6093207fafe3ddf85fcccc41d56ca7b9720f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2461600
Auto-Submit: Brian Geffon <bgeffon@chromium.org>
Reviewed-by: Kuo-Hsin Yang <vovoy@chromium.org>
Commit-Queue: Brian Geffon <bgeffon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815418}

chromeos/memory/OWNERS

@@ -2,3 +2,4 @@ bgeffon@chromium.org
 sonnyrao@chromium.org
 yuzhao@chromium.org
 jsbarnes@chromium.org
+vovoy@chromium.org