Use `git rev-list A..B` to get the list of commits to be uploaded to Gerrit by git cl.

BUG=374121

Review URL: https://codereview.chromium.org/284113005

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@270972 0039d316-1c4b-4281-b951-d872f2087c98

git_cl.py

@@ -1498,11 +1498,11 @@ def GerritUpload(options, args, cl):
   if CHANGE_ID not in change_desc.description:
     AddChangeIdToCommitMessage(options, args)
 
-  commits = RunGit(['rev-list', '%s/%s...' % (remote, branch)]).splitlines()
+  commits = RunGit(['rev-list', '%s/%s..' % (remote, branch)]).splitlines()
   if len(commits) > 1:
     print('WARNING: This will upload %d commits. Run the following command '
           'to see which commits will be uploaded: ' % len(commits))
-    print('git log %s/%s...' % (remote, branch))
+    print('git log %s/%s..' % (remote, branch))
     print('You can also use `git squash-branch` to squash these into a single'
           'commit.')
     ask_for_data('About to upload; enter to confirm.')

tests/git_cl_test.py

@@ -588,7 +588,7 @@ class TestGitCl(TestCase):
            description)
           ]
     calls += [
-        ((['git', 'rev-list', 'origin/master...'],), ''),
+        ((['git', 'rev-list', 'origin/master..'],), ''),
         ((['git', 'config', 'rietveld.cc'],), '')
         ]
     receive_pack = '--receive-pack=git receive-pack '