Make safe_browsing the owners of chrome_cleaner dirs

R=drubery, proberge

Change-Id: Ibbdd36e0ea2229b7e91d2fcb254f6d8a12368eeb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2329811Reviewed-by: proberge <proberge@chromium.org>
Reviewed-by: Daniel Rubery <drubery@chromium.org>
Commit-Queue: Joe Mason <joenotcharles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#793267}

chrome/browser/safe_browsing/chrome_cleaner/OWNERS

-file://chrome/chrome_cleaner/OWNERS
+file://chrome/browser/safe_browsing/OWNERS
 
-# TEAM: security-dev@chromium.org
-# COMPONENT: UI>Browser>Preferences>Protector
+joenotcharles@chromium.org  # emeritus
+proberge@chromium.org  # emeritus
+
+# COMPONENT: Services>Safebrowsing>ChromeCleanup
+# TEAM: safebrowsing@chromium.org

chrome/chrome_cleaner/OWNERS

-joenotcharles@chromium.org
-proberge@chromium.org
+file://chrome/browser/safe_browsing/OWNERS
 
-# TEAM: security-dev@chromium.org
-# COMPONENT: UI>Browser>Preferences>Protector
+joenotcharles@chromium.org  # emeritus
+proberge@chromium.org  # emeritus
+
+# COMPONENT: Services>Safebrowsing>ChromeCleanup
+# TEAM: safebrowsing@chromium.org