Handle 'git-cl land' gerrit reponse change.

cl/398464215 changed the weblink name from "gitiles" to "browse",

BUG=1254111
R=linxinan@chromium.org, sokcevic@google.com

Change-Id: I1aa5b47657b5c5619f7b56c53e3593d2f2e391f8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3194121
Auto-Submit: Michael Moss <mmoss@chromium.org>
Commit-Queue: Josip Sokcevic <sokcevic@google.com>
Reviewed-by: Josip Sokcevic <sokcevic@google.com>

git_cl.py

@@ -2064,7 +2064,7 @@ class Changelist(object):
     print('Issue %s has been submitted.' % self.GetIssueURL())
     links = self._GetChangeCommit().get('web_links', [])
     for link in links:
-      if link.get('name') == 'gitiles' and link.get('url'):
+      if link.get('name') in ['gitiles', 'browse'] and link.get('url'):
         print('Landed as: %s' % link.get('url'))
         break
     return 0