Reorder annotated_checkout git command.
Reorder annotated_checkout git command.

Turns out the command "--git-dir" doesn't exist.


Review URL: https://chromiumcodereview.appspot.com/13910010

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@193744 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build