[git-map-branches] Show CL status verbatim.

git-map-branches -v -v -v currently indicates the status of the CL using
a color. This change adds the status string alongside the CL to match
the output of 'git-cl status'.

  $ git map-branches -v -v -v

Before:
  A        354ccf6 [ ahead 1 ] https://codereview...
    B      e701150 [ ahead 1 ] https://codereview...
      C *  094cedd [ ahead 1 ] https://codereview...

After:
  A        354ccf6 [ ahead 1 ] https://codereview... (commit)
    B      e701150 [ ahead 1 ] https://codereview... (lgtm)
      C *  094cedd [ ahead 1 ] https://codereview... (waiting)

R=dpranke@chromium.org
BUG=none

Review-Url: https://codereview.chromium.org/2138703003

git_map_branches.py

@@ -140,7 +140,8 @@ class BranchMapper(object):
       # retrieved.
       for cl, status in status_info:
         self.__status_info[cl.GetBranch()] = (cl.GetIssueURL(),
-                                              color_for_status(status))
+                                              color_for_status(status),
+                                              status)
 
     roots = set()
 
@@ -260,9 +261,12 @@ class BranchMapper(object):
 
     # The Rietveld issue associated with the branch.
     if self.verbosity >= 2:
-      (url, color) = ('', '') if self.__is_invalid_parent(branch) \
-                              else self.__status_info[branch]
-      line.append(url or '', color=color)
+      (url, color, status) = ('', '', '') if self.__is_invalid_parent(branch) \
+          else self.__status_info[branch]
+      if self.verbosity > 2:
+        line.append('{} ({})'.format(url, status) if url else '', color=color)
+      else:
+        line.append(url or '', color=color)
 
     # The subject of the most recent commit on the branch.
     if self.show_subject: