Update chrome/browser/policy/OWNER due to file rename

All machine_level_user_cloud_policy* files under chrome/browser/policy
are renamed to chrome_browser_cloud_management*. Updating the per-file
oaner as well.

Bug: 1010704
Change-Id: Ib8bafb1c36227c3d725d973b38d3b330cda445a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1900551Reviewed-by: Roger Tawa <rogerta@chromium.org>
Commit-Queue: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713176}

chrome/browser/policy/OWNERS

@@ -10,7 +10,7 @@ zmin@chromium.org
 per-file *browser_dm_token_storage*=rogerta@chromium.org
 per-file *browser_dm_token_storage*=zmin@chromium.org
 
-per-file machine_level_user_cloud_policy*=rogerta@chromium.org
-per-file machine_level_user_cloud_policy*=zmin@chromium.org
+per-file chrome_browser_cloud_management*=rogerta@chromium.org
+per-file chrome_browser_cloud_management*=zmin@chromium.org
 
 # COMPONENT: Enterprise

chrome/browser/policy/cloud/OWNERS

-per-file machine_level_user_cloud_policy*=rogerta@chromium.org
-per-file machine_level_user_cloud_policy*=zmin@chromium.org
+per-file chrome_browser_cloud_management*=rogerta@chromium.org
+per-file chrome_browser_cloud_management*=zmin@chromium.org