tree cd7423973bb831e11a80d70b01279e99d42cadf9
parent 4a57cbaa565b243aa6883eb30d4cb870603f75fe
parent 1318983d20262576b9333087487773804fb7a88a
author JW Wang <wangchun@google.com> 1606388623 +0000
committer Android (Google) Code Review <android-gerrit@google.com> 1606388623 +0000

Merge changes I0ca6d083,I96d81313,I6010de4d,I608316d2

* changes:
  Record reason why the rollback is deleted (5/n)
  Delete committed rollbacks when they expire (4/n)
  Dump historical rollbacks for debugging purpose (3/n)
  Save deleted rollbacks for debugging purpose (2/n)