Merge revision 1505 changes:

- automate.py: Run update_depot_tools even if a depot-tools directory is specified on the command-line.

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1547@1507 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/automate/automate.py

@@ -294,7 +294,7 @@ if not os.path.exists(depot_tools_dir):
     # checkout depot_tools
     run('svn checkout '+depot_tools_url+' '+depot_tools_dir, download_dir)
 
-if not options.noupdate and options.depottools == '':
+if not options.noupdate:
   # Update depot_tools. It will download required scripts (svn, python, ...)
   if platform == 'windows':
     run('update_depot_tools.bat', depot_tools_dir, depot_tools_dir);