Update chrome/browser/ui/views/profiles/OWNERS

Remove tangltom who is no longer working on Chrome.
Add droger.

Change-Id: If7cf2d3ed7417485bab3bbb501e040d3d08e115e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2152589
Auto-Submit: David Roger <droger@chromium.org>
Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759657}

chrome/browser/ui/views/profiles/OWNERS

+droger@chromium.org
 pbos@chromium.org
 rhalavati@chromium.org
-tangltom@chromium.org
 
 # COMPONENT: UI>Browser>Toolbar