tree afa57b5f81ec6802dced076e8b25e60aec211a77
parent dc1f92192adcd92a025085da642fc88905f13b33
author JW Wang <wangchun@google.com> 1581061956 +0800
committer JW Wang <wangchun@google.com> 1581072683 +0800

Rewrite handling of failed sessions (2/n)

We want to delete rollbacks for failed sessions as long as parent or
child session id matches. For the sake of defensive programming, we
check #isEnabling to ensure we won't delete rollbacks that are already
made available or committed.

Bug: 149069841
Test: atest RollbackTest StagedRollbackTest
Change-Id: Ie95789c9c87f91d2cca84fede621bd17a6a9da18