bisect-kit: fix bisector 'view' subcommand

'view' subcommand may fail when re-generate revlist. This affected all
bisectors using codechange module.

BUG=chromium:898431
TEST=/bisect_android_repo.py init --old 5055130 --new 5056166 --branch git_pi-arc

Change-Id: I7c56b8044ccd63bdc402d259fddcfb06f675ed1d
Reviewed-on: https://chromium-review.googlesource.com/1309853
Commit-Ready: Kuang-che Wu <kcwu@chromium.org>
Tested-by: Kuang-che Wu <kcwu@chromium.org>
Reviewed-by: Chung-yih Wang <cywang@chromium.org>
diff --git a/bisect_git.py b/bisect_git.py
index 6bcd1ba..7be641d 100755
--- a/bisect_git.py
+++ b/bisect_git.py
@@ -49,7 +49,7 @@
     env['GIT_REPO'] = self.config['git_repo']
     env['GIT_REV'] = rev
 
-  def view(self, old, new):
+  def view(self, revlist, old, new):
     print('git log %s..%s' % (old, new))