Add more logging. Useful to understand `git try` slowness.

Review URL: http://codereview.chromium.org/6247008

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@71602 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed