We changed apply_issue to stage the patch if its on git, so it doesn't make sense to pass in --revision because that causes gclient to run solutions in managed mode.

BUG=388374

Review URL: https://codereview.chromium.org/359443003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@280855 0039d316-1c4b-4281-b951-d872f2087c98