tree 8739b715aa354e456bcfd4fdc72363b3d23c8070
parent f0f4a91d686b50aff2afdf2cabfec68fb6765d5a
author Yifan Hong <elsk@google.com> 1569893103 -0700
committer Yifan Hong <elsk@google.com> 1571271029 +0000

Delete COW group for downgrade Virtual A/B

When applying a downgrade OTA package on retrofit
Virtual A/B device (to a non-Virtual-A/B build), the
COW group / partitions needs to be explicitly deleted
to ensure there are enough space to create the regular
target partitions.

Bug: 138258570
Test: apply downgrade
Change-Id: I9e90a26500ec291ebd1e784e8e7fb8fbd508a925