Merge "Write the vbmeta digest to the output zipfile also" into sc-dev am: 82ff8ca9 am: 28a3a027

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/15288142

Change-Id: Ie1e61d5c8e36aa73dc5a892c9360eadd1a93fe35