Move the logging handler hack after the last use of subprocess2 before options are parsed and logging is properly configured with basicConfig. This re-enables git try --verbose/--dry_run.

Review URL: http://codereview.chromium.org/8205023

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@104633 0039d316-1c4b-4281-b951-d872f2087c98