tree c806e2ab2b53610cbf291acb948f33d032274cb0
parent af78df05536aa731eccbd3e67ca242ee164ff88f
author David Anderson <dvander@google.com> 1636682489 +0000
committer David Anderson <dvander@google.com> 1638314036 -0800

build_image: Query the actual image size after invoking the final mkfs.

It's not guaranteed that the requested image size to mkfs is precisely
respected, due to metadata alignment and such. For accurate care maps
use the real image size rather than requested.

Bug: 205541521
Test: smartsync to 7892270, check that care_map.pb has the right block
      count
Change-Id: I60fe64f720db13d3c3c4f1d8968341d7293217c9