Update notes for submitted changes

* Move reachability checker generation into the ObjectReader object

db/d05433ecc77d8044e567f512bb721ff259d7f8

@@ -0,0 +1,7 @@
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Fri, 29 Jan 2021 01:52:13 -0500
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/175300
+Project: jgit/jgit
+Branch: refs/heads/master