Treat options to the envsetup script as args.

NOTRY=True

Review URL: https://chromiumcodereview.appspot.com/24350010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@224822 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 224822